All 1100 working tools
Every public tool on this page has a real implementation. Search by task, format or keyword.
Text Tools
Count, clean, transform and analyze text instantly in your browser.
Word Counter
Count words, characters, sentences and paragraphs as you type.
Open tool →Character Counter
Count characters with and without spaces plus words and lines.
Open tool →Sentence Counter
Count sentences, words and characters in pasted text instantly.
Open tool →Paragraph Counter
Count paragraphs, lines, words and characters in any text.
Open tool →Reading Time Calculator
Estimate reading time from word count using adjustable reading speed.
Open tool →Case Converter
Convert text to uppercase, lowercase, title case, sentence case or alternating case.
Open tool →Remove Duplicate Lines
Remove repeated lines while preserving the first occurrence.
Open tool →Sort Lines
Sort text lines alphabetically in ascending order.
Open tool →Reverse Text
Reverse every character in a text string instantly.
Open tool →Remove Extra Spaces
Collapse repeated spaces and tidy whitespace without changing words.
Open tool →Remove Line Breaks
Join lines into clean continuous text with normalized spacing.
Open tool →Trim Lines
Remove leading and trailing whitespace from every line.
Open tool →Slug Generator
Turn a title or phrase into a clean lowercase URL slug.
Open tool →Punctuation Remover
Remove punctuation while keeping letters, numbers and whitespace.
Open tool →Duplicate Word Remover
Remove consecutive repeated words from text.
Open tool →Line Counter
Count total and non-empty lines in pasted text.
Open tool →Small Text Generator
Convert supported letters and numbers into compact Unicode small text.
Open tool →Invisible Character Generator
Create and copy invisible Unicode characters for legitimate formatting uses.
Open tool →Text Statistics
Analyze words, characters, sentences, paragraphs, lines and average word length.
Open tool →Find and Replace Text
Find text and replace every matching occurrence, with optional case sensitivity.
Open tool →Keyword Density Checker
Measure keyword frequency and density for words and phrases in your own text.
Open tool →Word Frequency Counter
List the most common words and how often each one appears.
Open tool →Text Repeater
Repeat any text a chosen number of times with a selectable separator.
Open tool →Number to Words
Convert integers into clear English words for forms, cheques and documents.
Open tool →Remove Blank Lines
Remove empty or whitespace-only lines while preserving the remaining line order.
Open tool →Add Line Numbers
Prefix each line with an automatically increasing line number.
Open tool →Prefix Lines
Add the same prefix before every line in a block of text.
Open tool →Suffix Lines
Append the same suffix after every line in a block of text.
Open tool →Extract Emails from Text
Find unique email-address patterns in pasted text and return one address per line.
Open tool →Developer Tools
Format data, encode values, generate hashes and inspect developer formats locally.
JSON Formatter
Pretty-print valid JSON with readable indentation.
Open tool →JSON Minifier
Validate and minify JSON into compact one-line output.
Open tool →JSON Validator
Validate JSON syntax and report the first parsing error.
Open tool →JSON to CSV
Convert an array of JSON objects into CSV with escaped headers and values.
Open tool →CSV to JSON
Convert CSV with a header row into an array of JSON objects.
Open tool →XML Formatter
Format valid XML with readable indentation in the browser.
Open tool →XML Validator
Check XML syntax and report parser errors.
Open tool →Base64 Encoder
Encode UTF-8 text to Base64 locally in your browser.
Open tool →Base64 Decoder
Decode Base64 into readable UTF-8 text locally.
Open tool →URL Encoder
Percent-encode text safely for use inside a URL.
Open tool →URL Decoder
Decode percent-encoded URL text into readable characters.
Open tool →HTML Entity Encoder
Escape HTML special characters into safe entities.
Open tool →HTML Entity Decoder
Decode HTML entities back into readable text.
Open tool →MD5 Generator
Generate an MD5 digest locally for checksums and legacy compatibility.
Open tool →SHA-1 Generator
Generate a SHA-1 digest locally using browser cryptography.
Open tool →SHA-256 Generator
Generate a SHA-256 digest locally using Web Crypto.
Open tool →SHA-512 Generator
Generate a SHA-512 digest locally using Web Crypto.
Open tool →UUID Generator
Generate one or many RFC 4122 version 4 UUIDs securely in your browser.
Open tool →Unix Timestamp Converter
Convert Unix epoch timestamps to local date/time and dates back to Unix seconds.
Open tool →JWT Decoder
Decode JWT header and payload locally without sending the token anywhere.
Open tool →Regex Tester
Test a JavaScript regular expression against text and inspect all matches.
Open tool →Cron Expression Generator
Build a standard five-field cron expression from minute, hour, day, month and weekday values.
Open tool →Query String Parser
Parse a URL query string into keys and decoded values.
Open tool →Text to Binary
Convert UTF-8 text into 8-bit binary bytes.
Open tool →Binary to Text
Convert space-separated 8-bit binary bytes into text.
Open tool →Binary to HEX
Convert a binary number into hexadecimal.
Open tool →Binary to Decimal
Convert a binary number into decimal.
Open tool →Binary to ASCII
Convert 8-bit binary byte values into ASCII text.
Open tool →HEX to Text
Convert hexadecimal byte values into text.
Open tool →HEX to Decimal
Convert a hexadecimal number into decimal.
Open tool →HEX to Binary
Convert a hexadecimal number into binary.
Open tool →Text to HEX
Convert UTF-8 text into hexadecimal bytes.
Open tool →Text to ASCII
Convert text characters into numeric character codes.
Open tool →ASCII to Binary
Convert numeric ASCII codes into 8-bit binary values.
Open tool →ASCII to Text
Convert numeric ASCII codes into text characters.
Open tool →Decimal to Binary
Convert an integer from decimal to binary.
Open tool →Decimal to HEX
Convert an integer from decimal to hexadecimal.
Open tool →Decimal to Octal
Convert an integer from decimal to octal.
Open tool →URL Parser
Parse a URL into protocol, host, port, path, query string and fragment components.
Open tool →IPv4 to Integer
Convert a valid IPv4 address into its unsigned 32-bit integer representation.
Open tool →Integer to IPv4
Convert an unsigned 32-bit integer into dotted-decimal IPv4 notation.
Open tool →CIDR Subnet Calculator
Calculate IPv4 network, broadcast, netmask and usable host range from an address and CIDR prefix.
Open tool →JSON Sort Keys
Recursively sort object keys in valid JSON and output a consistently formatted result.
Open tool →Generators
Generate secure, random and reusable content for everyday tasks.
Password Generator
Generate strong cryptographically random passwords with selectable character sets.
Open tool →Random String Generator
Generate cryptographically random strings with letters, numbers or hexadecimal characters.
Open tool →Lorem Ipsum Generator
Generate reusable Lorem Ipsum paragraphs for layouts and prototypes.
Open tool →Random Number Generator
Generate secure random whole numbers within a chosen range.
Open tool →Random Picker
Pick one or more random items from a list without bias.
Open tool →Coin Flip
Flip a fair virtual coin using secure browser randomness.
Open tool →Dice Roller
Roll one or more virtual dice with configurable sides.
Open tool →PIN Generator
Generate secure numeric PIN codes of a chosen length.
Open tool →Username Generator
Generate username ideas from names, interests and random suffixes.
Open tool →Business Name Generator
Generate simple brand-name ideas from two descriptive keywords.
Open tool →Random Color Generator
Generate random HEX colors with RGB values.
Open tool →Synthetic Test Person Generator
Generate clearly fictional test identities using example.com email addresses.
Open tool →Random Date Generator
Generate random dates between two selected dates.
Open tool →Secure Token Generator
Generate cryptographically secure hexadecimal tokens for testing and development.
Open tool →Passphrase Generator
Generate a multi-word passphrase from a built-in neutral word list with a selectable separator.
Open tool →Random IPv4 Generator
Generate random public-style IPv4 addresses while excluding common private, loopback and multicast ranges.
Open tool →Random MAC Address Generator
Generate locally administered unicast MAC addresses for testing and sample data.
Open tool →Random Hex Generator
Generate cryptographically random hexadecimal strings at a chosen byte length.
Open tool →Calculators
Fast everyday, business and finance calculations with clear results.
Percentage Calculator
Calculate a percentage of any number.
Open tool →Percentage Change Calculator
Calculate percentage increase or decrease between two values.
Open tool →Age Calculator
Calculate exact age in years, months and days from a date of birth.
Open tool →Date Difference Calculator
Calculate the number of calendar days between two dates.
Open tool →Tip Calculator
Calculate tip, total bill and per-person amount.
Open tool →Discount Calculator
Calculate savings and final price after a percentage discount.
Open tool →Profit Margin Calculator
Calculate profit, gross margin and markup from cost and selling price.
Open tool →Markup Calculator
Calculate selling price from cost and markup percentage.
Open tool →Aspect Ratio Calculator
Resize width or height while preserving the original aspect ratio.
Open tool →Simple Interest Calculator
Calculate simple interest and final amount from principal, rate and time.
Open tool →Compound Interest Calculator
Calculate compound growth with configurable compounding frequency.
Open tool →Loan Payment Calculator
Estimate fixed monthly loan payments from principal, rate and term.
Open tool →EMI Calculator
Estimate equal monthly installments for a reducing-balance loan.
Open tool →VAT Calculator
Add or remove VAT from an amount using any tax rate.
Open tool →GST Calculator
Add or remove GST from an amount using a configurable rate.
Open tool →Sales Tax Calculator
Calculate tax amount and total price from a sales-tax percentage.
Open tool →Average Calculator
Calculate mean, median, minimum, maximum and count from a list of numbers.
Open tool →Ratio Calculator
Simplify a two-number ratio using the greatest common divisor.
Open tool →Fraction to Percentage
Convert a numerator and denominator into decimal and percentage values.
Open tool →Salary to Hourly Calculator
Convert annual salary into hourly, daily, weekly and monthly equivalents.
Open tool →Hourly to Salary Calculator
Convert hourly pay into weekly, monthly and annual gross equivalents.
Open tool →Fuel Cost Calculator
Estimate trip fuel usage and total fuel cost from distance and efficiency.
Open tool →Break-Even Calculator
Calculate break-even units and revenue from fixed cost, price and variable cost.
Open tool →ROI Calculator
Calculate return on investment from initial cost and final value.
Open tool →Mortgage Payment Calculator
Estimate monthly principal-and-interest payments from loan amount, annual rate and term.
Open tool →Auto Loan Calculator
Estimate a vehicle-loan monthly payment, total payments and total interest.
Open tool →Savings Goal Calculator
Estimate the monthly deposit needed to reach a future savings goal with optional interest.
Open tool →Future Value Calculator
Calculate future value from present value, compound rate and time.
Open tool →Present Value Calculator
Discount a future amount back to present value using a compound annual rate.
Open tool →CAGR Calculator
Calculate compound annual growth rate between a beginning and ending value.
Open tool →Debt-to-Income Ratio Calculator
Calculate monthly debt payments as a percentage of gross monthly income.
Open tool →Credit Card Payoff Calculator
Estimate payoff time and interest from balance, APR and a fixed monthly payment.
Open tool →Dividend Yield Calculator
Calculate annual dividend yield from annual dividend per share and share price.
Open tool →Stock Average Price Calculator
Calculate weighted average share cost from multiple purchase price and quantity pairs.
Open tool →Cap Rate Calculator
Calculate property capitalization rate from annual net operating income and property value.
Open tool →Rental Yield Calculator
Calculate gross annual rental yield from monthly rent and property value.
Open tool →Payback Period Calculator
Estimate simple payback time from upfront investment and periodic cash return.
Open tool →Straight-Line Depreciation Calculator
Calculate annual straight-line depreciation and depreciable base.
Open tool →Inflation Calculator
Project the future cost of an amount using an inflation rate you provide.
Open tool →Real Return Calculator
Calculate inflation-adjusted return using the Fisher relationship between nominal return and inflation.
Open tool →Net Worth Calculator
Calculate net worth from total assets and total liabilities.
Open tool →Emergency Fund Calculator
Estimate an emergency-fund target from essential monthly expenses and desired months of coverage.
Open tool →Rule of 72 Calculator
Estimate doubling time from an annual percentage return using the Rule of 72.
Open tool →Effective Annual Rate Calculator
Convert a nominal annual rate and compounding frequency into effective annual rate.
Open tool →Converters
Convert measurements, values and common numeric formats without uploads.
Temperature Converter
Convert Celsius, Fahrenheit and Kelvin accurately.
Open tool →Length Converter
Convert metric and imperial length units including meters, miles, feet and inches.
Open tool →Weight Converter
Convert kilograms, grams, pounds, ounces and tonnes.
Open tool →Data Storage Converter
Convert bytes and binary storage units from KB through PB.
Open tool →Area Converter
Convert square meters, square feet, acres, hectares and other area units.
Open tool →Volume Converter
Convert liters, milliliters, gallons, cups and cubic units.
Open tool →Speed Converter
Convert km/h, mph, m/s and knots.
Open tool →Pressure Converter
Convert pascals, bar, psi, atmospheres and kilopascals.
Open tool →Energy Converter
Convert joules, kilojoules, calories, kilocalories and watt-hours.
Open tool →Power Converter
Convert watts, kilowatts, horsepower and BTU per hour.
Open tool →Force Converter
Convert newtons, kilonewtons, pound-force and kilogram-force.
Open tool →Frequency Converter
Convert Hz, kHz, MHz and GHz.
Open tool →Angle Converter
Convert degrees, radians, grads and turns.
Open tool →Time Converter
Convert seconds, minutes, hours, days and weeks.
Open tool →Cooking Measurement Converter
Convert cups, tablespoons, teaspoons and milliliters for common volume measurements.
Open tool →Roman Numeral to Number
Convert valid Roman numerals such as MCMXCIV into decimal integers.
Open tool →Number to Roman Numeral
Convert integers from 1 to 3999 into standard Roman numerals.
Open tool →Pixels to Inches Calculator
Convert pixels to physical inches using a selected DPI/PPI value.
Open tool →Design Tools
Color, CSS and visual helpers for designers and frontend developers.
HEX to RGB
Convert HEX colors into RGB values.
Open tool →RGB to HEX
Convert red, green and blue values into a HEX color.
Open tool →HEX to HSL
Convert a HEX color into HSL hue, saturation and lightness.
Open tool →HSL to HEX
Convert HSL values into a HEX color code.
Open tool →CSS Gradient Generator
Create linear-gradient CSS and preview the result instantly.
Open tool →CSS Box Shadow Generator
Build a CSS box-shadow declaration with live preview.
Open tool →CSS Border Radius Generator
Generate CSS border-radius values and preview the shape.
Open tool →Color Contrast Checker
Calculate WCAG contrast ratio between foreground and background colors.
Open tool →Random Color Palette Generator
Generate a reusable palette of random HEX colors.
Open tool →CSS Clamp Generator
Create a responsive CSS clamp() expression from viewport and size ranges.
Open tool →CSS Grid Generator
Generate a simple responsive CSS grid declaration.
Open tool →SVG Data URI Encoder
Encode SVG markup into a compact data URI for CSS or HTML.
Open tool →Favicon HTML Generator
Generate modern favicon and app-icon link tags for a website.
Open tool →SEO & Webmaster
Create search, social and webmaster markup for real websites.
Meta Tag Generator
Generate a title, description and robots meta block for a webpage.
Open tool →Robots.txt Generator
Generate a clean robots.txt with optional disallow paths and sitemap URL.
Open tool →Open Graph Generator
Generate Open Graph metadata for rich social sharing previews.
Open tool →Twitter Card Generator
Generate X/Twitter card metadata for large-image link previews.
Open tool →Canonical Tag Generator
Generate a canonical link element for a preferred webpage URL.
Open tool →Hreflang Generator
Generate hreflang link tags from locale and URL pairs.
Open tool →Schema JSON-LD Generator
Generate valid JSON-LD for a basic Organization or WebSite entity.
Open tool →XML Sitemap Generator
Generate an XML sitemap from a list of public URLs.
Open tool →UTM URL Builder
Add campaign source, medium, campaign and optional term/content parameters to a URL.
Open tool →Redirect Rule Generator
Generate common Apache or Nginx permanent redirect rules from old and new paths.
Open tool →Robots Meta Generator
Generate a robots meta tag from index, follow and preview directives.
Open tool →SEO Title Length Checker
Measure title length and flag common desktop snippet ranges.
Open tool →Meta Description Length Checker
Measure a meta description and flag common snippet-length ranges.
Open tool →SERP Snippet Preview
Preview a simple Google-style title, URL and description snippet.
Open tool →Social Share Link Generator
Generate ready-to-use sharing URLs for WhatsApp, X and LinkedIn.
Open tool →HTML Language Tag Generator
Generate an html lang attribute and optional direction from a locale code.
Open tool →Link Rel Attribute Helper
Generate a safe anchor element with common rel attributes for external links.
Open tool →Image Tools
Resize, compress, convert and edit images locally in your browser.
Image Resizer
Resize an image to exact pixel dimensions locally in your browser.
Open tool →Image Compressor
Compress JPG, PNG or WebP images locally with adjustable quality.
Open tool →Reduce Image Size in KB
Compress and if necessary resize an image toward a target file size.
Open tool →Compress Image to 20KB
Compress and resize an image toward a 20 KB target.
Open tool →Compress Image to 30KB
Compress and resize an image toward a 30 KB target.
Open tool →Compress Image to 50KB
Compress and resize an image toward a 50 KB target.
Open tool →Compress Image to 100KB
Compress and resize an image toward a 100 KB target.
Open tool →Compress Image to 200KB
Compress and resize an image toward a 200 KB target.
Open tool →Convert Image to JPG
Convert common browser-readable images into JPG locally.
Open tool →JPG to PNG
Convert a JPG image into PNG locally without uploading it.
Open tool →PNG to JPG
Convert a PNG image into JPG with a white background.
Open tool →JPG to WebP
Convert JPG images into efficient WebP files locally.
Open tool →PNG to WebP
Convert PNG images into WebP files locally.
Open tool →WebP to JPG
Convert WebP images into widely supported JPG files.
Open tool →WebP to PNG
Convert WebP images into PNG files locally.
Open tool →Crop Image
Crop a rectangular region from an image using pixel coordinates and dimensions.
Open tool →Rotate Image
Rotate an image by 90, 180 or 270 degrees locally.
Open tool →Flip Image
Flip an image horizontally or vertically in your browser.
Open tool →Grayscale Image
Convert a photo to grayscale locally using canvas filters.
Open tool →Sepia Image
Apply a sepia tone to an image locally in your browser.
Open tool →Blur Image
Apply adjustable blur to an image locally.
Open tool →Image Brightness Tool
Adjust image brightness and export the edited result.
Open tool →Image Contrast Tool
Adjust image contrast and download the edited result.
Open tool →Image Metadata Remover
Re-encode an image locally to remove embedded metadata from the exported copy.
Open tool →Favicon Generator
Create a square 64×64 PNG favicon from any uploaded image.
Open tool →Profile Picture Maker
Create a centered circular PNG profile image with transparent corners.
Open tool →Invert Image
Invert image colors and download the edited result.
Open tool →Saturate Image
Increase color saturation and download the result locally.
Open tool →Desaturate Image
Reduce image color saturation while keeping a downloadable image output.
Open tool →Hue Rotate Image
Shift image hues by a chosen number of degrees and download the edited image.
Open tool →Change Image Opacity
Adjust overall image opacity and export the result as PNG.
Open tool →Pixelate Image
Apply a blocky pixelation effect at a selectable pixel size.
Open tool →Sharpen Image
Apply a local sharpening filter and download the sharpened image.
Open tool →Black and White Image
Convert an image to high-contrast black and white using an adjustable threshold.
Open tool →Add Text Watermark to Image
Place custom text over an image with adjustable position, size and opacity.
Open tool →Add Border to Image
Add a solid border around an image with custom width and color.
Open tool →Rounded Corners Image
Round image corners with a chosen radius and export a transparent PNG.
Open tool →Square Crop Image
Center-crop an image to a square without stretching it.
Open tool →Crop Image to 16:9
Center-crop an image to a widescreen 16:9 aspect ratio.
Open tool →Crop Image to 4:3
Center-crop an image to the classic 4:3 aspect ratio.
Open tool →Crop Image to 9:16
Center-crop an image to a vertical 9:16 aspect ratio.
Open tool →1080×1080 Square Image Resizer
Resize and center-crop an image to 1080×1080 pixels for square social posts.
Open tool →1080×1920 Story Image Resizer
Resize and center-crop an image to 1080×1920 pixels for vertical story formats.
Open tool →1280×720 Thumbnail Resizer
Resize and center-crop an image to 1280×720 pixels for standard video thumbnails.
Open tool →Passport Photo Resizer
Resize and center-crop a photo to custom pixel dimensions for passport or ID requirements.
Open tool →Image Quality Reducer
Reduce JPEG or WebP quality with a slider and download the smaller image.
Open tool →Health & Fitness
Private browser-side wellness calculators for everyday fitness planning and personal estimates.
BMI Calculator
Calculate body mass index from weight and height with standard adult BMI category ranges.
Open tool →BMR Calculator
Estimate basal metabolic rate with the Mifflin-St Jeor equation using age, sex, weight and height.
Open tool →TDEE Calculator
Estimate total daily energy expenditure from BMR and a selected activity level.
Open tool →Calorie Deficit Calculator
Estimate a daily calorie target by applying a chosen deficit percentage to maintenance calories.
Open tool →Macro Calculator
Convert a calorie target and macro percentages into daily grams of protein, carbohydrate and fat.
Open tool →Water Intake Calculator
Estimate a simple daily water target from body weight and exercise time for general wellness planning.
Open tool →Ideal Weight Calculator
Estimate reference body weight with the Devine formula from height and sex for adults.
Open tool →Body Surface Area Calculator
Calculate body surface area in square meters with the Mosteller formula.
Open tool →Waist-to-Height Ratio Calculator
Calculate waist-to-height ratio from measurements entered in the same unit.
Open tool →Running Pace Calculator
Calculate average running pace and speed from distance and elapsed time.
Open tool →Pace to Speed Calculator
Convert running pace in minutes per kilometer into kilometers per hour and miles per hour.
Open tool →One Rep Max Calculator
Estimate one-repetition maximum from a lifted weight and repetition count using the Epley equation.
Open tool →Protein Intake Calculator
Calculate daily protein grams from body weight and a selectable grams-per-kilogram target.
Open tool →Sleep Cycle Calculator
Generate suggested wake-up times from a bedtime using 90-minute sleep cycles plus a short fall-asleep allowance.
Open tool →Pregnancy Due Date Calculator
Estimate a due date by adding 280 days to the first day of the last menstrual period; this is not medical advice.
Open tool →Education Tools
Calculate grades, study time, reading speed and common academic values without creating an account.
GPA Calculator
Calculate a credit-weighted GPA on a 4.0 scale from grade-point and credit pairs.
Open tool →Weighted Grade Calculator
Calculate a weighted course grade from score and weight percentage pairs.
Open tool →Final Grade Needed Calculator
Calculate the score needed on a final assessment to reach a target overall course grade.
Open tool →Grade Percentage Calculator
Convert earned points and total possible points into a percentage grade.
Open tool →Test Score Calculator
Calculate correct, incorrect and percentage results from question counts.
Open tool →Average Score Calculator
Calculate the mean, minimum and maximum for a list of assignment or test scores.
Open tool →Reading Speed Calculator
Calculate reading speed in words per minute from word count and elapsed minutes.
Open tool →Typing Speed Calculator
Estimate gross and net typing speed from characters typed, elapsed minutes and errors.
Open tool →Study Time Planner
Split available study hours evenly across subjects and days to create a simple daily target.
Open tool →Pomodoro Session Planner
Calculate total focused work, break time and elapsed session length for repeated Pomodoro blocks.
Open tool →APA Web Citation Generator
Generate a basic APA-style web citation from author, page title, site, date and URL fields.
Open tool →MLA Web Citation Generator
Generate a basic MLA-style web citation from author, page title, website, date and URL fields.
Open tool →Business Tools
Practical pricing, growth, profitability and SaaS metrics calculators for founders and small businesses.
Gross Profit Calculator
Calculate gross profit and gross margin from revenue and cost of goods sold.
Open tool →Net Profit Margin Calculator
Calculate net profit and net margin percentage from revenue and total expenses.
Open tool →Commission Calculator
Calculate commission amount and payout total from sales value and commission rate.
Open tool →Cost Per Unit Calculator
Calculate average cost per unit from total production cost and quantity produced.
Open tool →Unit Price Comparison Calculator
Compare two package prices by unit cost and identify the lower-cost option.
Open tool →Markup and Margin Converter
Convert a markup percentage into margin or a margin percentage into equivalent markup.
Open tool →Price After Tax Calculator
Add a tax percentage to a pre-tax amount and show tax plus final price.
Open tool →Price Before Tax Calculator
Remove an included tax percentage from a tax-inclusive amount to estimate the base price.
Open tool →Reverse Discount Calculator
Recover the original price from a discounted final price and discount percentage.
Open tool →Cash Flow Calculator
Calculate net cash flow from cash inflows and cash outflows over the same period.
Open tool →Burn Rate Calculator
Calculate average monthly cash burn from starting cash, ending cash and elapsed months.
Open tool →Cash Runway Calculator
Estimate how many months available cash can last at a given monthly burn rate.
Open tool →Customer Acquisition Cost Calculator
Calculate customer acquisition cost from sales and marketing spend divided by new customers.
Open tool →Customer Lifetime Value Calculator
Estimate simple customer lifetime value from average order value, purchase frequency, margin and lifespan.
Open tool →ROAS Calculator
Calculate return on ad spend from attributed revenue and advertising cost.
Open tool →Conversion Rate Calculator
Calculate conversion rate from conversions divided by total visitors or opportunities.
Open tool →Churn Rate Calculator
Calculate customer churn percentage from customers lost divided by customers at the start of a period.
Open tool →Retention Rate Calculator
Calculate retained-customer percentage after accounting for customers added during the period.
Open tool →Revenue Growth Calculator
Calculate revenue growth percentage between an earlier and later period.
Open tool →Break-Even Revenue Calculator
Estimate break-even revenue from fixed costs and contribution margin percentage.
Open tool →Date & Time Tools
Work with dates, durations, business days, week numbers and calendar calculations instantly.
Business Days Calculator
Count weekdays between two dates while excluding Saturdays and Sundays.
Open tool →Add Days to Date
Add a chosen number of calendar days to a date and return the resulting date.
Open tool →Subtract Days from Date
Subtract a chosen number of calendar days from a date and return the resulting date.
Open tool →Add Weeks to Date
Add whole or fractional weeks to a date and calculate the resulting calendar date.
Open tool →Add Months to Date
Add calendar months to a date while keeping the day within the resulting month.
Open tool →Days Until Date Calculator
Calculate signed calendar days from today until a selected target date.
Open tool →Weeks Between Dates
Calculate elapsed weeks and remaining days between two calendar dates.
Open tool →Hours Between Date Times
Calculate elapsed hours between two local date-and-time values.
Open tool →Minutes Between Date Times
Calculate elapsed minutes between two local date-and-time values.
Open tool →Age in Days Calculator
Calculate the number of full calendar days elapsed since a selected birth date.
Open tool →Week Number Calculator
Find the ISO week number and ISO week-year for a selected date.
Open tool →Leap Year Checker
Check whether a year is a leap year under the Gregorian calendar rules.
Open tool →Day of Week Calculator
Find the weekday name for any valid Gregorian calendar date.
Open tool →Day of Year Calculator
Find a date’s ordinal day number within its calendar year.
Open tool →Work Hours Calculator
Calculate paid work duration from start time, end time and an unpaid break.
Open tool →Document Tools
Create practical documents and convert images into downloadable PDF files directly in your browser.
Image to PDF Converter
Convert one or more local images into a downloadable PDF with one image per page.
Open tool →JPG to PDF Converter
Combine JPG and JPEG images into a downloadable PDF directly in your browser.
Open tool →PNG to PDF Converter
Convert PNG images into a downloadable PDF while processing the files locally in your browser.
Open tool →Photos to PDF Maker
Turn a batch of photos into a single downloadable PDF in the order you select them.
Open tool →Invoice Generator
Create a clean printable invoice with line items, tax, discount, totals and downloadable HTML.
Open tool →Quotation Generator
Create a professional quotation with itemized pricing, tax, discount and a printable download.
Open tool →Receipt Generator
Create a simple itemized receipt with totals and download a printable copy.
Open tool →Resignation Letter Generator
Build a clear resignation letter from your details and download or copy the finished text.
Open tool →Leave Letter Generator
Create a straightforward leave request letter using your dates, reason and recipient details.
Open tool →NOC Letter Generator
Create a customizable no-objection certificate letter template for common administrative use.
Open tool →Certificate Maker
Create a printable achievement or participation certificate and download it as an HTML document.
Open tool →Signature Maker
Draw a signature with mouse or touch and download it as a transparent PNG image.
Open tool →File & Data Tools
Inspect, hash, encode and transform local files and tabular data without uploading them.
File Size Checker
Inspect the exact byte, KB and MB size of a local file without uploading it.
Open tool →File SHA-256 Checksum
Calculate the SHA-256 checksum of a local file with the browser Web Crypto API.
Open tool →File SHA-384 Checksum
Calculate a SHA-384 checksum for a local file without sending the file to a server.
Open tool →File SHA-512 Checksum
Calculate a SHA-512 checksum for a local file directly on your device.
Open tool →File to Base64 Encoder
Encode a local file as Base64 or a data URL in your browser.
Open tool →Base64 to File Decoder
Decode Base64 text into a downloadable file with a filename and MIME type you choose.
Open tool →Text File Creator
Create and download a UTF-8 text file from text you enter in the browser.
Open tool →File Type Checker
Inspect a local file name, browser-reported MIME type and extension without uploading it.
Open tool →CSV Row Counter
Count CSV rows while respecting quoted fields and embedded commas.
Open tool →CSV Column Counter
Count columns in a CSV file or pasted CSV and report the header names.
Open tool →CSV to TSV Converter
Convert comma-separated data to tab-separated values while preserving quoted fields.
Open tool →TSV to CSV Converter
Convert tab-separated rows into standards-friendly CSV with proper quoting.
Open tool →Remove Duplicate CSV Rows
Remove repeated CSV data rows while keeping the first copy and preserving the header.
Open tool →CSV Sort by Column
Sort CSV rows by a selected zero-based column number while keeping the header first.
Open tool →CSV Column Extractor
Extract one CSV column by number and return its values as a clean list.
Open tool →CSV Row Filter
Filter CSV rows by text contained in a selected column while retaining the header.
Open tool →JSON File Validator
Choose a local JSON file and validate its syntax without uploading it.
Open tool →JSON File Prettifier
Format a local JSON file with readable indentation and download the prettified result.
Open tool →Everyday Tools
Useful household, travel, energy, construction and device calculators for everyday decisions.
Bill Split Calculator
Split a bill among people with an optional tip percentage.
Open tool →Electricity Cost Calculator
Estimate electricity cost from appliance wattage, daily hours, days and price per kWh.
Open tool →Appliance Energy Calculator
Calculate appliance energy use in kWh from watts and operating time.
Open tool →Road Trip Cost Calculator
Estimate fuel volume and trip fuel cost from distance, efficiency and fuel price.
Open tool →Recipe Scaler
Scale an ingredient quantity from an original serving count to a new serving count.
Open tool →Paint Calculator
Estimate wall paint liters from room dimensions, coats and paint coverage.
Open tool →Flooring Calculator
Estimate floor area and material quantity including a waste percentage.
Open tool →Concrete Volume Calculator
Calculate rectangular concrete volume in cubic meters from length, width and depth.
Open tool →Tile Calculator
Estimate tile count from floor dimensions, tile dimensions and waste percentage.
Open tool →Wallpaper Roll Calculator
Estimate wallpaper rolls from wall area, roll coverage and waste allowance.
Open tool →Fuel Economy Converter
Convert between L/100 km, km/L, US MPG and Imperial MPG.
Open tool →Download Time Calculator
Estimate download time from file size and connection speed.
Open tool →Screen PPI Calculator
Calculate pixels per inch from horizontal pixels, vertical pixels and screen diagonal.
Open tool →Screen Size Calculator
Calculate physical screen width and height from diagonal size and pixel aspect ratio.
Open tool →Storage Recording Time Calculator
Estimate how long storage will last at a chosen constant media bitrate.
Open tool →Privacy & Security
Local browser utilities for password checks, checksum validation, browser details and security-policy generation.
Password Strength Checker
Assess password length and character variety locally without sending the password anywhere.
Open tool →Password Entropy Calculator
Estimate password entropy from length and observed character-set size without uploading the password.
Open tool →Browser Information Checker
Display browser user-agent, language, platform, cookie support and online status reported to this page.
Open tool →Screen Resolution Checker
Show current screen resolution, available screen size and viewport dimensions.
Open tool →Device Pixel Ratio Checker
Show the browser devicePixelRatio value used for CSS and physical pixel scaling.
Open tool →User Agent Parser
Parse a pasted user-agent string into common browser, operating-system and device clues locally.
Open tool →Cookie Header Parser
Parse a Cookie header into name/value pairs locally in your browser.
Open tool →CSP Policy Builder
Build a basic Content-Security-Policy header from common source controls.
Open tool →Referrer Policy Generator
Generate a Referrer-Policy HTTP header from a standard policy option.
Open tool →Permissions Policy Generator
Generate a Permissions-Policy header for camera, microphone and geolocation controls.
Open tool →Security Headers Generator
Generate a practical starter set of HTTP security headers for a web application.
Open tool →URL Syntax Safety Checker
Inspect URL syntax, protocol, username/password use and suspicious formatting locally; this is not a reputation scan.
Open tool →Email Syntax Checker
Check whether an email address has a plausible RFC-style syntax without contacting the mailbox.
Open tool →Luhn Number Checker
Validate a number with the Luhn checksum algorithm locally; no number is transmitted or stored.
Open tool →IBAN Checksum Validator
Validate the MOD-97 checksum of an IBAN-format string locally without contacting a bank.
Open tool →Math & Science
Solve common math, geometry, statistics and science calculations directly in your browser.
Quadratic Equation Solver
Solve ax² + bx + c = 0 and show real or complex roots plus the discriminant.
Open tool →Linear Equation Solver
Solve a one-variable equation in the form ax + b = c.
Open tool →Pythagorean Theorem Calculator
Find the hypotenuse of a right triangle from the two perpendicular sides.
Open tool →Circle Area & Circumference Calculator
Calculate circle area, circumference and diameter from a radius.
Open tool →Rectangle Area & Perimeter Calculator
Calculate rectangle area, perimeter and diagonal from length and width.
Open tool →Triangle Area Calculator
Calculate triangle area from base and perpendicular height.
Open tool →Trapezoid Area Calculator
Calculate trapezoid area from two parallel bases and height.
Open tool →Sphere Volume & Surface Area Calculator
Calculate sphere volume, surface area and diameter from radius.
Open tool →Cylinder Volume & Surface Area Calculator
Calculate cylinder volume, lateral area and total surface area.
Open tool →Cone Volume Calculator
Calculate cone volume and slant height from radius and vertical height.
Open tool →Slope Calculator
Calculate slope between two Cartesian coordinate points.
Open tool →Midpoint Calculator
Find the midpoint between two Cartesian coordinate points.
Open tool →Distance Between Two Points Calculator
Calculate straight-line Euclidean distance between two 2D points.
Open tool →GCD Calculator
Find the greatest common divisor of two whole numbers.
Open tool →LCM Calculator
Find the least common multiple of two whole numbers.
Open tool →Prime Number Checker
Check whether a positive whole number is prime and report its smallest factor when composite.
Open tool →Factor Calculator
List all positive integer factors of a whole number.
Open tool →Permutation Calculator (nPr)
Calculate ordered selections using the permutation formula nPr.
Open tool →Combination Calculator (nCr)
Calculate unordered selections using the combination formula nCr.
Open tool →Standard Deviation Calculator
Calculate mean, population standard deviation and sample standard deviation from a list of numbers.
Open tool →Variance Calculator
Calculate population and sample variance from a list of numeric values.
Open tool →Median & Mode Calculator
Find the median, mode and range of a numeric data set.
Open tool →Z-Score Calculator
Calculate a z-score from a value, mean and standard deviation.
Open tool →Percentage Difference Calculator
Calculate the symmetric percentage difference between two values.
Open tool →Proportion Solver
Solve a proportion a/b = c/x for the missing x value.
Open tool →Scientific Notation Converter
Convert a number to normalized scientific notation and exponential form.
Open tool →Decimal to Fraction Calculator
Approximate a decimal as a reduced fraction with a configurable maximum denominator.
Open tool →Fraction Simplifier
Reduce a numerator and denominator to lowest terms and show the decimal value.
Open tool →Degrees ↔ Radians Calculator
Convert an angle between degrees and radians.
Open tool →Vector Magnitude Calculator
Calculate the magnitude of a 2D or 3D vector from its components.
Open tool →Construction & Home
Estimate materials, dimensions, room needs and common home-project quantities with practical calculators.
Brick Calculator
Estimate bricks required from wall dimensions, brick face size and waste percentage.
Open tool →Concrete Block Calculator
Estimate concrete blocks required for a wall using block face dimensions and waste.
Open tool →Drywall Sheet Calculator
Estimate drywall sheets from total surface area, sheet dimensions and waste allowance.
Open tool →Gravel Calculator
Estimate gravel volume and optional mass from area, depth and bulk density.
Open tool →Mulch Calculator
Estimate mulch volume in cubic meters and liters for a garden bed.
Open tool →Soil Volume Calculator
Estimate topsoil volume for a rectangular bed from length, width and depth.
Open tool →Fence Post Calculator
Estimate post count from fence length and maximum post spacing.
Open tool →Fence Panel Calculator
Estimate fence panels required from total run length and panel width.
Open tool →Roofing Shingle Calculator
Estimate roofing squares and shingle bundles from roof area and waste percentage.
Open tool →Roof Pitch Calculator
Calculate roof pitch ratio, angle and percent slope from rise and run.
Open tool →Stair Calculator
Estimate riser count, riser height and total run from floor height and preferred tread depth.
Open tool →Ramp Slope Calculator
Calculate ramp slope percentage, ratio and angle from rise and horizontal run.
Open tool →Cement Bag Calculator
Estimate cement bags from concrete volume and a selected cement mass per cubic meter.
Open tool →Wallpaper Strip Calculator
Estimate wallpaper strips and rolls from wall width, height, roll dimensions and repeat allowance.
Open tool →Deck Board Calculator
Estimate deck boards needed from deck width and board face width including gap.
Open tool →Board Foot Calculator
Calculate lumber board feet from thickness, width, length and quantity in imperial units.
Open tool →Cubic Yards Calculator
Convert rectangular length, width and depth in feet to cubic yards.
Open tool →Rectangular Tank Volume Calculator
Calculate rectangular tank volume in cubic meters and liters.
Open tool →Cylindrical Tank Volume Calculator
Calculate a vertical cylindrical tank volume in liters from diameter and height.
Open tool →Swimming Pool Volume Calculator
Estimate rectangular pool volume in cubic meters and liters from average depth.
Open tool →Room AC BTU Calculator
Estimate a basic cooling-capacity range from room floor area using a configurable BTU-per-square-meter factor.
Open tool →Room Area Calculator
Calculate rectangular room floor area and perimeter from length and width.
Open tool →Room Volume Calculator
Calculate room volume from length, width and ceiling height.
Open tool →Tile Grout Estimate Calculator
Estimate approximate grout volume from tile size, joint width, joint depth and floor area.
Open tool →Solar Panel Count Calculator
Estimate the number of solar panels needed from target system size and panel wattage.
Open tool →Marketing Metrics
Calculate advertising, email, social, funnel and customer metrics for campaigns and growth analysis.
CPM Calculator
Calculate cost per thousand impressions from campaign cost and impressions.
Open tool →CPC Calculator
Calculate cost per click from ad spend and total clicks.
Open tool →CTR Calculator
Calculate click-through rate from clicks and impressions.
Open tool →CPA Calculator
Calculate cost per acquisition from advertising spend and acquisitions.
Open tool →CPL Calculator
Calculate cost per lead from campaign spend and leads generated.
Open tool →Cost per 1,000 People Reached
Calculate campaign cost per thousand unique people reached.
Open tool →Email Open Rate Calculator
Calculate email open rate from unique opens and delivered messages.
Open tool →Email Click Rate Calculator
Calculate email click rate from unique clicks and delivered messages.
Open tool →Email Click-to-Open Rate Calculator
Calculate click-to-open rate from unique clicks and unique opens.
Open tool →Email Bounce Rate Calculator
Calculate email bounce rate from bounced and sent messages.
Open tool →Unsubscribe Rate Calculator
Calculate unsubscribe rate from unsubscribes and delivered messages.
Open tool →Social Engagement Rate Calculator
Calculate engagement rate from interactions and follower count.
Open tool →Follower Growth Rate Calculator
Calculate follower growth percentage between two periods.
Open tool →Social Reach Rate Calculator
Calculate unique reach as a percentage of follower count.
Open tool →Ad Frequency Calculator
Calculate average ad frequency from impressions and unique reach.
Open tool →Impression Share Calculator
Calculate impression share from impressions received and eligible impressions.
Open tool →Video Completion Rate Calculator
Calculate the percentage of video starts that reached completion.
Open tool →View-Through Rate Calculator
Calculate view-through rate from counted views and impressions.
Open tool →Cart Abandonment Rate Calculator
Calculate shopping-cart abandonment rate from initiated carts and completed purchases.
Open tool →Average Order Value Calculator
Calculate average order value from revenue and number of orders.
Open tool →Revenue per Visitor Calculator
Calculate website revenue per visitor from revenue and sessions or visitors.
Open tool →Lead-to-Customer Rate Calculator
Calculate the percentage of leads that became customers.
Open tool →Sales Close Rate Calculator
Calculate sales close rate from won deals and qualified opportunities.
Open tool →MQL to SQL Conversion Calculator
Calculate conversion rate from marketing-qualified leads to sales-qualified leads.
Open tool →Net Promoter Score Calculator
Calculate NPS from promoter, passive and detractor response counts.
Open tool →Media & Subtitle Tools
Calculate video and audio properties and transform subtitle text locally without uploading media.
Video Bitrate Calculator
Estimate average video bitrate from file size and duration.
Open tool →Video File Size Calculator
Estimate video file size from total bitrate and duration.
Open tool →Audio Bitrate Calculator
Estimate average audio bitrate from file size and duration.
Open tool →Audio File Size Calculator
Estimate audio file size from bitrate in kbps and duration.
Open tool →Video Frame Count Calculator
Calculate approximate total video frames from duration and frames per second.
Open tool →Timecode to Seconds Converter
Convert HH:MM:SS or HH:MM:SS.mmm timecode into total seconds.
Open tool →Seconds to Timecode Converter
Convert total seconds into an HH:MM:SS.mmm media timecode.
Open tool →Video Aspect Ratio Calculator
Reduce a video width and height to the simplest whole-number aspect ratio.
Open tool →Video Resolution Scaler
Scale a video resolution proportionally to a target width.
Open tool →Media Transfer Time Calculator
Estimate transfer time from file size and connection throughput.
Open tool →SRT to VTT Converter
Convert pasted SubRip SRT subtitles to WebVTT format locally.
Open tool →VTT to SRT Converter
Convert pasted WebVTT subtitles to SubRip SRT format locally.
Open tool →Subtitle Time Shifter
Shift SRT or VTT cue timestamps forward or backward by a chosen number of seconds.
Open tool →Subtitle Cue Counter
Count timed subtitle cues in pasted SRT or WebVTT text.
Open tool →Subtitle Line Counter
Count non-empty subtitle text lines while excluding cue numbers and timestamps.
Open tool →Subtitle Word Counter
Count words in subtitle dialogue while excluding timestamps, cue numbers and WebVTT headers.
Open tool →Subtitle Text Extractor
Extract plain dialogue text from SRT or WebVTT by removing timestamps, cue numbers and headers.
Open tool →Subtitle Formatting Remover
Remove common HTML-style subtitle formatting tags while keeping cue timing and text.
Open tool →Subtitle Timeline Duration Calculator
Read subtitle timestamps and report the first cue, last cue and covered timeline duration.
Open tool →Subtitle Reading Speed Calculator
Estimate words per minute from subtitle dialogue and timed cue durations.
Open tool →E-commerce & Pricing
Calculate store pricing, marketplace fees, inventory performance and unit economics from your own numbers.
Gross Margin Calculator
Calculate gross profit and gross margin for an online store from revenue and cost of goods sold.
Open tool →Product Markup Calculator
Calculate markup percentage and selling price relationships for products.
Open tool →Sale Price Calculator
Find a discounted sale price and savings amount from an original price and discount rate.
Open tool →Marketplace Fee Calculator
Estimate marketplace fees and seller payout from a sale amount and fee percentage.
Open tool →Payment Processing Fee Calculator
Estimate percentage plus fixed payment-processing fees and net receipt.
Open tool →E-commerce Average Order Value Calculator
Calculate average order value from total sales revenue and order count.
Open tool →Store Conversion Rate Calculator
Calculate store conversion rate from orders and visitor sessions.
Open tool →Product Return Rate Calculator
Measure the percentage of sold items that were returned.
Open tool →Order Refund Rate Calculator
Measure refunded orders as a percentage of total orders.
Open tool →Sell-Through Rate Calculator
Measure the share of available inventory sold during a period.
Open tool →Inventory Turnover Calculator
Calculate inventory turnover from COGS and average inventory value.
Open tool →Stock Cover Days Calculator
Estimate how many days current stock may last at an average daily sales rate.
Open tool →Reorder Point Calculator
Estimate a reorder point from daily demand, lead time and safety stock.
Open tool →Inventory Value Calculator
Calculate inventory value from on-hand quantity and unit cost.
Open tool →Landed Cost Per Unit Calculator
Calculate landed cost per unit including product, freight, duty and other shipment costs.
Open tool →Contribution Margin Calculator
Calculate unit contribution and contribution margin after variable costs.
Open tool →E-commerce Break-Even Units Calculator
Estimate how many units must be sold to cover fixed costs.
Open tool →Profit Per Unit Calculator
Calculate net profit per unit after product, fulfillment and selling fees.
Open tool →Shipping Cost Percentage Calculator
Measure shipping cost as a percentage of order revenue.
Open tool →Bundle Discount Calculator
Calculate bundle savings compared with buying items separately.
Open tool →Coupon Revenue Impact Calculator
Estimate discounted revenue and discount cost for a coupon campaign.
Open tool →E-commerce ROAS Calculator
Calculate ecommerce return on ad spend from attributed store revenue and advertising cost.
Open tool →Advertising Cost of Sales Calculator
Calculate ACoS from ad spend and attributed sales.
Open tool →Total Advertising Cost of Sales Calculator
Calculate TACoS from ad spend and total store sales.
Open tool →E-commerce Customer Acquisition Cost Calculator
Calculate customer acquisition cost from marketing spend and new customers.
Open tool →E-commerce Customer Lifetime Value Calculator
Estimate simple customer lifetime value from average order value, purchase frequency, margin and customer lifespan.
Open tool →LTV to CAC Ratio Calculator
Compare customer lifetime value with customer acquisition cost.
Open tool →Repeat Purchase Rate Calculator
Measure how many customers made more than one purchase.
Open tool →E-commerce Cart Abandonment Rate Calculator
Calculate cart abandonment from initiated carts and completed orders.
Open tool →Profit After Ads Calculator
Estimate profit after product costs and advertising spend.
Open tool →Creator & Social Media
Measure engagement, watch time, sponsorship economics and content performance across creator platforms.
Creator Engagement Rate Calculator
Calculate engagement rate from engagements and followers or reach.
Open tool →Instagram Engagement Rate Calculator
Calculate Instagram engagement rate from likes + comments + saves and followers.
Open tool →TikTok Engagement Rate Calculator
Calculate TikTok engagement rate from likes + comments + shares and views.
Open tool →YouTube Engagement Rate Calculator
Calculate YouTube engagement rate from likes + comments and views.
Open tool →Facebook Engagement Rate Calculator
Calculate Facebook engagement rate from engagements and reach.
Open tool →LinkedIn Engagement Rate Calculator
Calculate LinkedIn engagement rate from engagements and impressions.
Open tool →X Engagement Rate Calculator
Calculate X engagement rate from engagements and impressions.
Open tool →Like Rate Calculator
Calculate like rate from likes and views or reach.
Open tool →Comment Rate Calculator
Calculate comment rate from comments and views or reach.
Open tool →Share Rate Calculator
Calculate share rate from shares and views or reach.
Open tool →Save Rate Calculator
Calculate save rate from saves and views or reach.
Open tool →Social Click-Through Rate Calculator
Calculate social CTR from link clicks and impressions.
Open tool →Video View Rate Calculator
Calculate view rate from video views and impressions.
Open tool →Social Video Completion Rate Calculator
Calculate completion rate from completed views and video starts.
Open tool →Subscriber Conversion Rate Calculator
Calculate subscriber conversion rate from new subscribers and views.
Open tool →Social Follower Growth Rate Calculator
Calculate follower growth rate from new followers and starting followers.
Open tool →Story Completion Rate Calculator
Calculate story completion rate from final-frame views and first-frame views.
Open tool →Reel Completion Rate Calculator
Calculate reel completion rate from completed reels and reel starts.
Open tool →Average Watch Time Calculator
Calculate average watch time per video view from total watch minutes and views.
Open tool →Watch Hours Calculator
Convert views and average watch duration into estimated total watch hours.
Open tool →Creator CPM Earnings Calculator
Estimate creator revenue from monetized views and revenue per thousand views.
Open tool →Creator RPM Calculator
Calculate revenue per thousand views from total creator revenue and views.
Open tool →Sponsorship CPM Calculator
Calculate effective sponsorship CPM from sponsorship fee and campaign views.
Open tool →Sponsorship Cost Per View Calculator
Calculate sponsorship cost per view from fee and campaign views.
Open tool →Creator Affiliate Earnings Calculator
Estimate affiliate earnings from clicks, conversion rate, average order value and commission rate.
Open tool →Posting Frequency Calculator
Calculate average posts per week and month from total posts over a period.
Open tool →Content Output Time Calculator
Estimate total production hours from number of pieces and average production time.
Open tool →Cost Per Engagement Calculator
Calculate campaign cost per engagement from spend and total engagements.
Open tool →Cost Per View Calculator
Calculate campaign cost per video view.
Open tool →Social CPM Calculator
Calculate advertising cost per thousand impressions.
Open tool →Crypto & Trading
Model trading, token, staking and portfolio scenarios from values you provide; no live price feed required.
Crypto Profit/Loss Calculator
Calculate trading profit or loss from buy price, sell price and quantity.
Open tool →Crypto Break-Even Price Calculator
Calculate the sell price needed to break even after buy and sell fee rates.
Open tool →Crypto Average Entry Price Calculator
Calculate weighted average entry price for two purchases.
Open tool →Crypto Position Size Calculator
Calculate risk-based position value from account size, risk percentage and stop distance.
Open tool →Risk Reward Ratio Calculator
Calculate reward-to-risk ratio from entry, stop and target prices.
Open tool →Stop-Loss Percentage Calculator
Calculate stop-loss distance as a percentage of entry price.
Open tool →Crypto Target Price Calculator
Calculate a target price from entry price and desired gain percentage.
Open tool →Leverage Exposure Calculator
Calculate leveraged market exposure from margin and leverage multiple.
Open tool →Trading Fee Impact Calculator
Estimate round-trip trading fees from position value and fee rate per side.
Open tool →DCA Investment Total Calculator
Calculate total amount invested through recurring dollar-cost averaging contributions.
Open tool →Simple Staking Reward Calculator
Estimate simple staking rewards from principal, APR and time.
Open tool →Compound Staking Calculator
Estimate compounded staking balance from APR, compounding frequency and time.
Open tool →APR to APY Calculator
Convert nominal APR to effective APY for a chosen compounding frequency.
Open tool →APY to APR Calculator
Convert effective APY to nominal APR for a chosen compounding frequency.
Open tool →Crypto Market Cap Calculator
Calculate token market capitalization from token price and circulating supply.
Open tool →Fully Diluted Valuation Calculator
Calculate fully diluted valuation from token price and maximum or total supply.
Open tool →Token Price From Market Cap Calculator
Calculate implied token price from target market cap and circulating supply.
Open tool →Circulating Supply Percentage Calculator
Calculate circulating supply as a percentage of maximum supply.
Open tool →Impermanent Loss Calculator
Estimate constant-product AMM impermanent loss from the price ratio between two assets.
Open tool →Crypto Gas Cost Calculator
Calculate transaction gas cost from gas units, gas price and native asset price.
Open tool →Crypto Portfolio Allocation Calculator
Calculate one asset allocation percentage within a portfolio.
Open tool →Portfolio Rebalancing Calculator
Calculate target asset value and required buy or sell amount for a desired allocation.
Open tool →Crypto Slippage Calculator
Calculate price slippage percentage between expected and executed prices.
Open tool →Crypto Bridge Cost Percentage Calculator
Measure bridge and network costs as a percentage of the amount transferred.
Open tool →Crypto Mining Revenue Calculator
Estimate gross mining revenue from coins earned and coin price.
Open tool →Mining Electricity Cost Calculator
Calculate electricity expense from power draw, hours and electricity price.
Open tool →Crypto Mining Profit Calculator
Calculate mining profit from gross mining revenue, electricity and other costs.
Open tool →Hashrate Share Calculator
Calculate your hashrate as a percentage of total network hashrate using matching units.
Open tool →Expected Block Reward Share Calculator
Estimate your proportional block reward from network share and total rewards over a period.
Open tool →Crypto Portfolio Return Calculator
Calculate portfolio return from starting and ending portfolio values plus added capital.
Open tool →Travel & Logistics
Estimate trip, freight, cargo, vehicle, warehouse and delivery quantities with practical planning calculators.
Cargo CBM Calculator
Calculate cargo cubic meters from carton dimensions and quantity.
Open tool →Air Freight Volumetric Weight Calculator
Calculate volumetric weight from parcel dimensions using a configurable divisor.
Open tool →Freight Chargeable Weight Calculator
Choose the higher of actual and volumetric weight for freight planning.
Open tool →Freight Cost Per Kg Calculator
Calculate freight cost per kilogram from total freight charge and billable weight.
Open tool →Freight Cost Per CBM Calculator
Calculate freight cost per cubic meter from total charge and cargo volume.
Open tool →Freight Density Calculator
Calculate cargo density in kilograms per cubic meter.
Open tool →Container Space Utilization Calculator
Calculate container volume utilization from cargo CBM and usable container capacity.
Open tool →Cartons Per Pallet Calculator
Estimate cartons per pallet from cartons per layer and number of layers.
Open tool →Pallets Needed Calculator
Estimate pallets required from carton quantity and cartons per pallet.
Open tool →Warehouse Storage Cost Calculator
Calculate warehouse storage cost from pallets, monthly rate and storage duration.
Open tool →Road Trip Fuel Cost Calculator
Estimate fuel required and fuel cost from distance, vehicle efficiency and fuel price.
Open tool →Trip Cost Per Passenger Calculator
Split a total trip cost evenly across travelers.
Open tool →Driving Time Calculator
Estimate driving time from route distance and average speed.
Open tool →Fuel Stop Calculator
Estimate refueling stops from trip distance and practical vehicle range.
Open tool →Average Hotel Night Cost Calculator
Calculate average nightly hotel cost from total lodging spend and nights.
Open tool →Daily Travel Budget Calculator
Calculate a daily travel budget from total trip budget and trip length.
Open tool →Trip Budget Calculator
Add transport, lodging, food, activities and other costs into a trip budget.
Open tool →Baggage Overweight Calculator
Calculate baggage weight above an airline allowance.
Open tool →Luggage Volume Calculator
Calculate approximate suitcase volume in liters from outside dimensions.
Open tool →EV Charging Cost Calculator
Estimate electric-vehicle charging cost from energy added and electricity rate.
Open tool →EV Charging Time Calculator
Estimate ideal charging time from energy required and charger power.
Open tool →EV Trip Energy Calculator
Estimate EV energy use from trip distance and efficiency in kWh per 100 km.
Open tool →Delivery Cost Per Stop Calculator
Calculate average delivery cost per completed stop.
Open tool →Delivery Success Rate Calculator
Calculate successful deliveries as a percentage of delivery attempts.
Open tool →Fleet Fuel Cost Calculator
Estimate total fleet fuel cost from distance, efficiency and fuel price.
Open tool →Vehicle Load Factor Calculator
Measure used load capacity as a percentage of rated capacity.
Open tool →Transport Cost Per Km Calculator
Calculate average transport operating cost per kilometer.
Open tool →Cost Per Ton-Kilometer Calculator
Calculate freight cost per ton-kilometer from cost, cargo weight and distance.
Open tool →On-Time Delivery Rate Calculator
Calculate the percentage of deliveries completed on time.
Open tool →Warehouse Picking Accuracy Calculator
Calculate correctly picked order lines as a percentage of total picked lines.
Open tool →Productivity & Planning
Plan work, meetings, projects, goals, habits and team capacity with straightforward browser-side calculators.
Task Completion Rate Calculator
Calculate completed tasks as a percentage of planned tasks.
Open tool →Project Progress Calculator
Calculate project completion percentage from completed and total work units.
Open tool →Team Capacity Calculator
Calculate available team hours from headcount, hours per person and availability rate.
Open tool →Work Utilization Rate Calculator
Calculate billable or productive hours as a percentage of available hours.
Open tool →Meeting Cost Calculator
Estimate meeting labor cost from attendees, duration and average hourly cost.
Open tool →Annual Meeting Time Calculator
Estimate annual person-hours spent in recurring meetings.
Open tool →Email Time Calculator
Estimate weekly time spent reading and writing email.
Open tool →Annual Commute Time Calculator
Estimate annual hours spent commuting from daily commute time and workdays.
Open tool →Pomodoro Session Time Calculator
Calculate total focus and break time for a set of Pomodoro cycles.
Open tool →Focus Ratio Calculator
Measure focused work as a percentage of tracked work time.
Open tool →Sprint Velocity Calculator
Calculate average completed story points per sprint.
Open tool →Story Points Per Day Calculator
Calculate completed story points per working day.
Open tool →Work Throughput Calculator
Calculate completed items per unit of time.
Open tool →Average Cycle Time Calculator
Calculate average cycle time from total work-in-process time and completed items.
Open tool →Average Lead Time Calculator
Calculate average lead time from total lead time and completed requests.
Open tool →Flow Efficiency Calculator
Calculate active work time as a percentage of total lead time.
Open tool →WIP Capacity Calculator
Estimate work-in-progress capacity from throughput and average cycle time using Little’s Law.
Open tool →Goal Pace Calculator
Calculate the daily pace required to complete a numeric goal by a chosen number of days.
Open tool →Reading Goal Calculator
Calculate pages per day needed to finish a reading goal on time.
Open tool →Writing Goal Calculator
Calculate words per day needed to finish a writing target.
Open tool →Typing Time Calculator
Estimate typing time from word count and typing speed.
Open tool →Workday Hours Calculator
Calculate net paid or productive hours after breaks.
Open tool →Timesheet Pay Calculator
Calculate gross pay from regular hours, overtime hours, hourly rate and overtime multiplier.
Open tool →Deadline Buffer Calculator
Calculate planned buffer time from project duration and desired buffer percentage.
Open tool →Capacity Gap Calculator
Compare required work hours with available team capacity.
Open tool →Work Allocation Per Person Calculator
Split a workload evenly across team members.
Open tool →Habit Success Rate Calculator
Calculate completed habit days as a percentage of tracked days.
Open tool →Backlog Clearance Time Calculator
Estimate days needed to clear a backlog at a given net daily throughput.
Open tool →Automation Time Savings Calculator
Estimate recurring hours saved by automating a repeated task.
Open tool →Automation Value Calculator
Estimate annual labor value of time saved by automation.
Open tool →HTML & Website Analysis
Inspect pasted HTML for SEO, metadata, links, images and page-structure issues locally in your browser.
HTML Title Extractor
Extract the page title from pasted HTML.
Open tool →Meta Description Extractor
Extract the meta description from pasted HTML.
Open tool →Meta Keywords Extractor
Extract legacy meta keywords from pasted HTML when present.
Open tool →Canonical URL Extractor
Find the canonical link declared in pasted HTML.
Open tool →Robots Meta Checker
Read robots and googlebot meta directives from pasted HTML.
Open tool →HTML Heading Counter
Count H1 through H6 headings in pasted HTML.
Open tool →Heading Outline Extractor
Build a readable H1-H6 outline from pasted HTML.
Open tool →H1 Tag Extractor
Extract every H1 heading from pasted HTML.
Open tool →HTML Link Extractor
Extract hyperlinks and anchor text from pasted HTML.
Open tool →Internal Link Extractor
Classify and list internal links using an optional base URL.
Open tool →External Link Extractor
Classify and list external links using an optional base URL.
Open tool →Nofollow Link Checker
Find links carrying nofollow, sponsored or ugc relationship tokens.
Open tool →Target Blank Link Checker
Find links that open in a new browsing context with target=_blank.
Open tool →Duplicate Link Checker
Find repeated link destinations in pasted HTML.
Open tool →HTML Image Counter
Count image elements and summarize their alt coverage.
Open tool →Missing Alt Text Checker
Find images that do not declare an alt attribute.
Open tool →Empty Alt Text Checker
Find images with intentionally or accidentally empty alt text.
Open tool →Image Source Extractor
Extract image source URLs from pasted HTML.
Open tool →Open Graph Tag Extractor
Extract Open Graph properties and values from pasted HTML.
Open tool →Twitter Card Tag Extractor
Extract Twitter/X card metadata from pasted HTML.
Open tool →JSON-LD Extractor
Extract structured-data JSON-LD blocks from pasted HTML.
Open tool →Hreflang Extractor
Extract hreflang language and alternate URL mappings.
Open tool →Favicon Link Extractor
Find icon and shortcut-icon declarations in pasted HTML.
Open tool →HTML Language Attribute Checker
Read the lang attribute declared on the root HTML element.
Open tool →HTML Form Analyzer
Summarize forms, methods, actions and input types in pasted HTML.
Open tool →Audio Tools
Analyze and transform browser-supported audio locally, including trimming, normalization, channel work and waveform tools.
Audio Metadata Viewer
Read file name, MIME type, duration, sample rate and channel information for browser-supported audio.
Open tool →Audio Duration Checker
Measure the exact decoded duration of a local audio file.
Open tool →Audio Sample Rate Checker
Read the decoded sample rate of a local audio file.
Open tool →Audio Channel Checker
Check whether decoded audio is mono, stereo or multichannel.
Open tool →Audio Average Bitrate Estimator
Estimate average bitrate from file size and decoded duration.
Open tool →Audio PCM Size Estimator
Estimate uncompressed 16-bit PCM/WAV size from duration, sample rate and channels.
Open tool →Audio Peak Level Checker
Measure peak absolute sample amplitude in decoded audio.
Open tool →Audio RMS Level Checker
Measure RMS signal level across decoded audio channels.
Open tool →Audio Waveform PNG Generator
Render a waveform image from a local audio file and download it as PNG.
Open tool →Audio Trimmer to WAV
Trim a local browser-decodable audio file and export the selected section as WAV.
Open tool →Reverse Audio to WAV
Reverse decoded audio samples and export the result as WAV.
Open tool →Stereo to Mono Converter
Mix decoded channels to mono and export a WAV file.
Open tool →Extract Left Audio Channel
Extract the first decoded channel and export it as mono WAV.
Open tool →Extract Right Audio Channel
Extract the second decoded channel and export it as mono WAV when available.
Open tool →Audio Volume Booster
Apply a gain multiplier to decoded audio and export a WAV file.
Open tool →Audio Volume Reducer
Reduce decoded audio amplitude and export a WAV file.
Open tool →Audio Peak Normalizer
Normalize decoded audio to a selected peak level and export WAV.
Open tool →Audio Fade In Tool
Apply a linear fade-in to decoded audio and export WAV.
Open tool →Audio Fade Out Tool
Apply a linear fade-out to decoded audio and export WAV.
Open tool →Audio Silence Trimmer
Trim leading and trailing low-level samples using an adjustable threshold and export WAV.
Open tool →Audio Sample Rate Converter
Resample decoded audio to a selected sample rate and export WAV.
Open tool →Audio Speed & Pitch Changer
Change playback speed by resampling audio; pitch changes with speed, then export WAV.
Open tool →Swap Stereo Audio Channels
Swap left and right decoded channels and export WAV.
Open tool →Invert Audio Polarity
Invert sample polarity for all decoded channels and export WAV.
Open tool →Remove Audio DC Offset
Remove the mean DC offset from each decoded channel and export WAV.
Open tool →Video Tools
Inspect local video files and extract useful frames, thumbnails and visual assets directly in your browser.
Video Metadata Viewer
Read file name, MIME type, duration, dimensions and basic local video information.
Open tool →Video Duration Checker
Measure the duration reported by the browser for a local video file.
Open tool →Video Resolution Checker
Read the decoded video width and height of a local video.
Open tool →Video Aspect Ratio Checker
Calculate and simplify the decoded video aspect ratio.
Open tool →Video Orientation Checker
Classify a decoded video as landscape, portrait or square.
Open tool →Video File Size Checker
Report local video file size in bytes, KB and MB.
Open tool →Video Average Bitrate Estimator
Estimate overall average bitrate from local file size and duration.
Open tool →Extract First Video Frame
Capture an early frame from a local video and download it as PNG.
Open tool →Extract Middle Video Frame
Capture a frame from the midpoint of a local video and download it as PNG.
Open tool →Extract Last Video Frame
Capture a frame near the end of a local video and download it as PNG.
Open tool →Video Frame to PNG
Capture a video frame at a chosen time and export PNG.
Open tool →Video Frame to JPG
Capture a video frame at a chosen time and export JPEG.
Open tool →Small Video Thumbnail Maker
Capture a chosen frame and resize it to 320×180 pixels.
Open tool →HD Video Thumbnail Maker
Capture a chosen frame and resize it to 1280×720 pixels.
Open tool →Video Contact Sheet Maker
Create a 12-frame contact sheet sampled across a local video.
Open tool →Video Square Frame Cropper
Capture a chosen frame and center-crop it to a square image.
Open tool →Video Frame 16:9 Cropper
Capture a chosen frame and center-crop it to 16:9.
Open tool →Video Frame 9:16 Cropper
Capture a chosen frame and center-crop it to vertical 9:16.
Open tool →Grayscale Video Frame Maker
Capture a chosen frame, convert it to grayscale and download PNG.
Open tool →Sepia Video Frame Maker
Capture a chosen frame, apply a sepia effect and download PNG.
Open tool →Mirror Video Frame
Capture a chosen frame, flip it horizontally and download PNG.
Open tool →Rotate Video Frame 90°
Capture a chosen frame, rotate it clockwise and download PNG.
Open tool →Timestamp Video Frame
Capture a chosen frame and burn its timestamp onto the downloaded PNG.
Open tool →Video Frame Average Color
Calculate the approximate average RGB and HEX color of a chosen video frame.
Open tool →Custom Video Thumbnail Maker
Capture a chosen frame and resize it to a custom output width while preserving aspect ratio.
Open tool →ZIP & Archive Tools
Create, inspect and reorganize ZIP archives locally without uploading your files to MediaZuno.
Create ZIP File
Create a ZIP archive from multiple local files and download it.
Open tool →ZIP File List Viewer
List every file and folder path stored in a local ZIP archive.
Open tool →Extract One File from ZIP
Extract a named file from a ZIP archive and download it.
Open tool →ZIP File Counter
Count non-folder file entries inside a ZIP archive.
Open tool →ZIP Folder Counter
Count explicit folder entries inside a ZIP archive.
Open tool →ZIP Uncompressed Size Calculator
Calculate the total extracted size of files stored in a ZIP archive.
Open tool →ZIP Compressed Size Checker
Report the size of the ZIP archive file itself.
Open tool →ZIP Compression Ratio Calculator
Compare archive file size with total extracted size to estimate compression savings.
Open tool →ZIP Extension Summary
Count files in a ZIP archive by filename extension.
Open tool →ZIP Largest File Finder
Find the largest extracted file entry in a ZIP archive.
Open tool →ZIP Smallest File Finder
Find the smallest non-folder extracted file entry in a ZIP archive.
Open tool →ZIP Average File Size Calculator
Calculate average extracted file size across non-folder ZIP entries.
Open tool →ZIP Empty File Finder
Find zero-byte file entries inside a ZIP archive.
Open tool →ZIP Empty Folder Finder
Find explicit ZIP folder entries that contain no files beneath them.
Open tool →ZIP Duplicate Filename Finder
Find repeated basenames stored in different archive paths.
Open tool →ZIP Hidden File Finder
Find archive path components beginning with a dot.
Open tool →ZIP Path Depth Analyzer
Measure the deepest nested path level inside a ZIP archive.
Open tool →ZIP Top Folder Summary
Summarize file counts by top-level archive folder.
Open tool →ZIP Filename Search
Search ZIP entry paths for a filename or path fragment.
Open tool →ZIP Extension Filter
List ZIP files matching a chosen extension.
Open tool →ZIP Manifest JSON Generator
Generate a downloadable JSON manifest of ZIP entries and extracted sizes.
Open tool →ZIP Manifest CSV Generator
Generate a downloadable CSV manifest of ZIP entries and extracted sizes.
Open tool →ZIP Filename Prefix Tool
Create a new ZIP with a prefix added to each file basename.
Open tool →ZIP Remove Extension Files
Create a new ZIP excluding files with a chosen extension.
Open tool →ZIP Flatten Root Folder
Create a new ZIP with one common top-level folder removed from entry paths.
Open tool →Web Performance
Practical browser and website performance calculators for page weight, bandwidth, caching, Core Web Vitals budgets and delivery planning.
Page Transfer Time Calculator
Estimate raw page transfer time from total page weight and connection speed.
Open tool →Monthly Page Bandwidth Calculator
Estimate monthly bandwidth generated by page weight and pageviews.
Open tool →Compression Savings Calculator
Calculate bytes and percentage saved after compressing a web asset.
Open tool →Image Optimization Bandwidth Savings
Estimate monthly bandwidth saved by reducing image payload size.
Open tool →Cache Hit Bandwidth Savings Calculator
Estimate origin bandwidth avoided from a CDN or browser cache hit ratio.
Open tool →CDN Offload Calculator
Estimate origin requests after offloading a percentage of requests to a CDN.
Open tool →HTTP Request Overhead Calculator
Estimate header overhead transferred across many HTTP requests.
Open tool →Monthly Request Volume Calculator
Estimate monthly HTTP request volume from pageviews and requests per page.
Open tool →Average Requests Per Second Calculator
Convert daily request volume into average requests per second.
Open tool →Peak RPS Estimate Calculator
Estimate peak request rate using average daily requests and a peak multiplier.
Open tool →Server Capacity Headroom Calculator
Calculate remaining request capacity and headroom percentage.
Open tool →LCP Budget Remaining Calculator
See how much of a chosen Largest Contentful Paint budget remains.
Open tool →INP Budget Remaining Calculator
Compare measured Interaction to Next Paint with a chosen response budget.
Open tool →TTFB Budget Remaining Calculator
Compare Time to First Byte with a selected server-response budget.
Open tool →JavaScript Budget Remaining Calculator
Calculate how much JavaScript transfer budget remains on a page.
Open tool →CSS Budget Remaining Calculator
Calculate remaining CSS payload budget and budget utilization.
Open tool →Web Font Payload Budget Calculator
Track a font payload against a chosen page-performance budget.
Open tool →Lazy Loading Bandwidth Savings Calculator
Estimate initial-load bandwidth saved when below-the-fold assets are deferred.
Open tool →Third-Party Script Share Calculator
Calculate how much JavaScript payload comes from third-party scripts.
Open tool →Brotli Savings Projection Calculator
Project transferred size after applying an expected compression reduction.
Open tool →Mobile Data Cost Calculator
Estimate data consumed and user data cost from repeated site visits.
Open tool →Web Data Carbon Transfer Estimator
Estimate emissions from transferred data using a user-selected kilograms-per-GB factor.
Open tool →Asset Count Reduction Calculator
Measure request-count reduction after bundling, pruning or consolidation.
Open tool →Page Weight Reduction Calculator
Measure percentage reduction in total transferred page weight.
Open tool →Performance Budget Utilization Calculator
Calculate how much of a total page-size performance budget is currently used.
Open tool →Networking & Infrastructure
Network, hosting and infrastructure calculators for subnets, bandwidth, packets, capacity, storage, latency and operational planning.
IPv4 Total Addresses from CIDR
Calculate total IPv4 addresses represented by a CIDR prefix length.
Open tool →IPv4 Usable Hosts from CIDR
Estimate classic usable host addresses for a conventional IPv4 subnet.
Open tool →IPv4 Host Bits Calculator
Calculate the number of host bits from an IPv4 CIDR prefix.
Open tool →Subnet Count from Borrowed Bits
Calculate the number of equal subnets created by borrowing host bits.
Open tool →Subnet Bits Required Estimator
Estimate bit count required for a desired subnet count by comparing against a supplied bit target.
Open tool →TCP over IPv4 Payload per Packet
Estimate TCP payload capacity from MTU using standard 20-byte IPv4 and 20-byte TCP headers.
Open tool →TCP over IPv6 Payload per Packet
Estimate TCP payload capacity from MTU using 40-byte IPv6 and 20-byte TCP base headers.
Open tool →Packet Count Calculator
Estimate packet count from payload size and usable payload bytes per packet.
Open tool →Network Transfer Time Calculator
Estimate ideal transfer time from data size and link throughput.
Open tool →Bandwidth Delay Product Calculator
Calculate bandwidth-delay product from throughput and round-trip time.
Open tool →Packets Per Second Calculator
Estimate packets per second from link rate and average packet size.
Open tool →Daily Data from Continuous Bandwidth
Convert a continuous average Mbps rate into approximate data transferred per day.
Open tool →Monthly Downtime from Uptime SLA
Calculate allowed downtime in a 30-day month from an uptime percentage.
Open tool →Yearly Downtime from Uptime SLA
Calculate annual allowed downtime from an uptime percentage.
Open tool →Replication Storage Calculator
Estimate raw storage consumed after applying a replication factor.
Open tool →Backup Retention Storage Calculator
Estimate storage for full daily backups retained for a chosen number of days.
Open tool →Log Ingestion Storage Calculator
Estimate log storage from daily ingestion and retention period.
Open tool →Cloud Egress Cost Calculator
Estimate outbound data cost from transferred GB and egress price.
Open tool →CDN Transfer Cost Calculator
Estimate CDN transfer charges from delivery volume and price per GB.
Open tool →CPU Load After Traffic Growth
Project CPU utilization if load grows proportionally with traffic.
Open tool →Memory Worker Capacity Calculator
Estimate how many equal-memory workers fit within an available RAM budget.
Open tool →Connection Pool Capacity Calculator
Estimate total connections available across application instances.
Open tool →Queue Drain Time Calculator
Estimate time to drain a queue when processing is faster than incoming work.
Open tool →Multi-Request Latency Calculator
Estimate cumulative waiting time for sequential network round trips.
Open tool →Infrastructure Cost Per Million Requests
Calculate infrastructure cost normalized per million requests.
Open tool →SaaS & Subscription Metrics
Recurring-revenue calculators for MRR, ARR, churn, retention, CAC, LTV, pricing, support and subscription growth.
MRR Calculator
Calculate monthly recurring revenue from paying customers and average monthly revenue per account.
Open tool →ARR Calculator
Convert monthly recurring revenue into annual recurring revenue.
Open tool →Net New MRR Calculator
Calculate net new recurring revenue from new, expansion, contraction and churned MRR.
Open tool →MRR Growth Rate Calculator
Measure recurring-revenue growth between two monthly periods.
Open tool →Customer Churn Rate Calculator
Calculate customer/logo churn rate from starting customers and customers lost.
Open tool →Customer Retention Rate Calculator
Calculate retained-customer percentage from starting and lost customer counts.
Open tool →Revenue Churn Rate Calculator
Calculate gross recurring-revenue churn from starting MRR and lost recurring revenue.
Open tool →Net Revenue Retention Calculator
Calculate NRR after expansion, contraction and churn from an existing recurring-revenue base.
Open tool →Gross Revenue Retention Calculator
Calculate GRR excluding expansion revenue.
Open tool →SaaS ARPU Calculator
Calculate average monthly revenue per paying customer/account.
Open tool →SaaS ARPA Calculator
Calculate average recurring revenue per account.
Open tool →SaaS Customer Acquisition Cost Calculator
Calculate CAC from sales and marketing spend and newly acquired customers.
Open tool →Simple SaaS LTV Calculator
Estimate customer lifetime value from monthly ARPU, gross margin and monthly churn.
Open tool →SaaS LTV:CAC Ratio Calculator
Compare SaaS customer lifetime value with acquisition cost using the LTV-to-CAC multiple.
Open tool →CAC Payback Period Calculator
Estimate months required to recover CAC from monthly gross profit per customer.
Open tool →Trial Conversion Rate Calculator
Measure the percentage of trials that become paying customers.
Open tool →Product Activation Rate Calculator
Calculate the percentage of signups reaching your activation event.
Open tool →Lead to Paid Conversion Calculator
Measure conversion from qualified leads to new paying customers.
Open tool →Seat-Based Revenue Calculator
Calculate recurring revenue for seat-based SaaS pricing.
Open tool →Annual Plan Discount Calculator
Compare monthly billing with an annual-plan price and calculate the effective discount.
Open tool →SaaS Price Increase Revenue Calculator
Estimate recurring-revenue impact of a price increase if customer count stays constant.
Open tool →Expected Churned Customers Calculator
Estimate customers lost from a starting customer base and churn percentage.
Open tool →Support Cost per Customer Calculator
Normalize monthly support payroll and tools cost across active customers.
Open tool →SaaS Gross Margin Calculator
Calculate recurring-service gross margin from revenue and direct cost of service.
Open tool →SaaS Revenue per Employee Calculator
Calculate annualized recurring revenue per employee.
Open tool →Print & Publishing
Print-production calculators for DPI, pixels, paper, bleed, booklet pages, spine width, print runs and publishing costs.
Print Width from Pixels & DPI
Calculate physical print width from pixel width and output DPI.
Open tool →Print Height from Pixels & DPI
Calculate physical print height from pixel height and output DPI.
Open tool →Pixels from Inches & DPI
Calculate required pixel dimensions for an inch measurement at a target DPI.
Open tool →Pixels from Centimeters & DPI
Calculate required pixels for a centimeter measurement at target DPI.
Open tool →PPI from Resolution & Diagonal
Calculate display pixel density from horizontal/vertical resolution and diagonal size.
Open tool →Print Bleed Width Calculator
Add bleed to both sides of a finished print width.
Open tool →Print Bleed Height Calculator
Add bleed to top and bottom of a finished print height.
Open tool →Booklet Page Multiple-of-4 Calculator
Calculate how many blank pages are needed to round a booklet to a multiple of four.
Open tool →Book Spine Width Calculator
Estimate spine width from page count and paper caliper/thickness per leaf.
Open tool →Duplex Sheet Count Calculator
Calculate physical sheets required for a duplex document.
Open tool →Print Job Paper Weight Calculator
Estimate paper mass from sheet area, GSM and sheet count.
Open tool →Toner Cost per Page Calculator
Calculate toner cost per printed page from cartridge price and rated yield.
Open tool →Ink Cost per Page Calculator
Calculate ink cost per page from ink-set cost and expected page yield.
Open tool →Print Run Total Cost Calculator
Calculate total job cost from setup charge, quantity and variable unit cost.
Open tool →Print Cost per Copy Calculator
Normalize fixed and variable printing costs into an average cost per copy.
Open tool →Print Selling Price from Markup
Calculate selling price from production cost and markup percentage.
Open tool →Print Selling Price from Margin
Calculate required selling price from production cost and target gross margin.
Open tool →Poster Scale Percentage Calculator
Calculate enlargement/reduction percentage from original and target dimensions.
Open tool →Image Resolution Scale Factor
Calculate linear and pixel-area scaling between original and target widths.
Open tool →Image Crop Percentage Calculator
Calculate how much image area remains and is removed after cropping dimensions.
Open tool →Print Safe Area Width Calculator
Calculate safe content width after applying an inset margin on both sides.
Open tool →Print Safe Area Height Calculator
Calculate safe content height after top and bottom inset margins.
Open tool →Pixels per Millimeter Calculator
Convert DPI into pixels per millimeter for print layout work.
Open tool →Points to Pixels Calculator
Convert typography points to CSS-style pixels using a selected pixels-per-inch basis.
Open tool →Pixels to Points Calculator
Convert pixels into typography points using a selected pixels-per-inch basis.
Open tool →Live DNS & Domain
Live public DNS lookups and domain record diagnostics with safe server-side querying.
A Record Lookup
Look up public IPv4 A records for a domain.
Open tool →AAAA Record Lookup
Look up public IPv6 AAAA records for a domain.
Open tool →MX Record Lookup
Find mail exchanger hosts and priorities for a domain.
Open tool →NS Record Lookup
Find authoritative nameservers published for a domain.
Open tool →TXT Record Lookup
List public TXT records published for a domain.
Open tool →CNAME Record Lookup
Check whether a hostname publishes a canonical-name alias.
Open tool →SOA Record Lookup
Inspect the Start of Authority record for a domain.
Open tool →CAA Record Lookup
Inspect Certificate Authority Authorization records for a domain.
Open tool →SRV Record Lookup
Look up SRV service records for a hostname.
Open tool →Reverse DNS Lookup
Resolve a public IP address to its PTR/reverse hostname.
Open tool →DNS Record Summary
Summarize common A, AAAA, MX, NS, TXT, CNAME, SOA and CAA records.
Open tool →Apex vs WWW DNS Compare
Compare the resolved IP addresses for a root domain and its www hostname.
Open tool →Minimum DNS TTL Checker
Find the smallest TTL returned across common public DNS records.
Open tool →Maximum DNS TTL Checker
Find the largest TTL returned across common public DNS records.
Open tool →IPv4 Address Count
Count unique public IPv4 addresses in a domain A-record response.
Open tool →IPv6 Address Count
Count unique IPv6 addresses in a domain AAAA-record response.
Open tool →MX Priority Analyzer
List MX priorities in delivery order and identify the preferred mail exchanger.
Open tool →MX Record Count
Count mail exchanger records published for a domain.
Open tool →Nameserver Count
Count unique authoritative NS hosts for a domain.
Open tool →TXT Record Count
Count TXT records returned for a domain.
Open tool →CAA Issuer Count
Count distinct CAA issue/issuewild authorizations on a domain.
Open tool →CNAME Target Checker
Return the canonical target for a CNAME hostname when present.
Open tool →SOA Primary Nameserver
Return the primary nameserver recorded in a domain SOA record.
Open tool →SOA Admin Contact
Show the administrative mailbox value encoded in a domain SOA record.
Open tool →DNS Total Record Count
Count records found across common DNS record types for a domain.
Open tool →Email DNS & Authentication
Live SPF, DMARC, DKIM, MTA-STS, TLS-RPT and BIMI record checks for email-domain setup.
SPF Record Checker
Find the SPF TXT policy published for a domain.
Open tool →SPF Mechanism Count
Count mechanisms and modifiers in a published SPF policy.
Open tool →SPF Include Count
Count include: mechanisms in a published SPF record.
Open tool →SPF All Policy Checker
Identify whether an SPF record ends with -all, ~all, ?all or +all.
Open tool →Multiple SPF Record Check
Detect domains publishing more than one SPF record.
Open tool →DMARC Record Checker
Look up the _dmarc TXT policy for a domain.
Open tool →DMARC Policy Checker
Extract the p= policy from a DMARC record.
Open tool →DMARC Subdomain Policy
Extract the sp= subdomain policy from DMARC.
Open tool →DMARC Percentage Checker
Extract the pct= rollout percentage from DMARC.
Open tool →DMARC Aggregate Report URI
Extract rua= aggregate-report destinations from DMARC.
Open tool →DMARC Failure Report URI
Extract ruf= failure-report destinations from DMARC.
Open tool →DMARC Alignment Checker
Show adkim and aspf alignment modes from a DMARC record.
Open tool →DMARC Presence Check
Quickly confirm whether a valid-looking DMARC TXT record exists.
Open tool →DKIM Record Checker
Look up a DKIM selector at selector._domainkey.domain.
Open tool →DKIM Key Type Checker
Extract the k= key type from a DKIM TXT record.
Open tool →DKIM Public Key Presence
Check whether the DKIM record contains a non-empty p= public key.
Open tool →MTA-STS TXT Checker
Look up the _mta-sts TXT record for a mail domain.
Open tool →MTA-STS ID Checker
Extract the id= value from a published MTA-STS TXT record.
Open tool →TLS-RPT Record Checker
Look up SMTP TLS reporting policy at _smtp._tls.domain.
Open tool →TLS-RPT Report URI
Extract rua= reporting destinations from TLS-RPT.
Open tool →BIMI Record Checker
Look up the default._bimi TXT record for a domain.
Open tool →BIMI Logo URI Checker
Extract the l= logo location from a BIMI record.
Open tool →BIMI Authority URI Checker
Extract the a= authority/VMC location from BIMI.
Open tool →Mail Host Summary
Summarize a domain MX hosts, priorities and resolved addresses.
Open tool →Email DNS Health Summary
Summarize MX, SPF, DMARC, MTA-STS, TLS-RPT and BIMI presence.
Open tool →Live Website Diagnostics
Live HTTP response, redirect, header, timing and page metadata checks against public websites.
HTTP Status Checker
Fetch a public URL and report the final HTTP status code.
Open tool →Final URL Checker
Follow safe public redirects and show the final resolved URL.
Open tool →Redirect Count Checker
Count redirects followed before reaching the final public URL.
Open tool →Redirect Chain Checker
Show each URL and status encountered in a public redirect chain.
Open tool →Website Response Time Checker
Measure total server-side fetch time for a public page.
Open tool →Website TTFB Checker
Measure time to first response byte from a public URL.
Open tool →Page Download Size Checker
Measure HTML response bytes fetched for a public page.
Open tool →Content-Type Header Checker
Report the response Content-Type header for a public URL.
Open tool →Server Header Checker
Show the public Server response header when exposed.
Open tool →Cache-Control Header Checker
Show cache-control directives returned by a public page.
Open tool →HSTS Header Checker
Check for Strict-Transport-Security on a public HTTPS page.
Open tool →Content Security Policy Checker
Check the Content-Security-Policy response header.
Open tool →X-Frame-Options Checker
Report X-Frame-Options protection on a public page.
Open tool →X-Content-Type-Options Checker
Check whether nosniff is returned in X-Content-Type-Options.
Open tool →Referrer-Policy Header Checker
Report the Referrer-Policy response header.
Open tool →Permissions-Policy Header Checker
Report the Permissions-Policy response header.
Open tool →Cookie Security Attribute Checker
Summarize Secure, HttpOnly and SameSite attributes on response cookies.
Open tool →HTTP to HTTPS Redirect Checker
Check whether an http:// URL redirects to HTTPS.
Open tool →Live Title Tag Checker
Fetch a public page and return its HTML title element.
Open tool →Live Meta Description Checker
Fetch and return the meta description of a public page.
Open tool →Live Canonical URL Checker
Fetch and return the rel=canonical URL from a public page.
Open tool →Live Robots Meta Directive Checker
Return robots meta directives from a public HTML page.
Open tool →Viewport Meta Checker
Check for the mobile viewport meta tag on a public page.
Open tool →HTML Charset Checker
Report charset from HTTP headers or HTML meta tags.
Open tool →Live HTML Lang Checker
Return the lang attribute declared on the root HTML element.
Open tool →Live On-Page SEO
Live public-page analysis for headings, links, images, structured data, social metadata and technical SEO signals.
Live Page Word Count
Count readable words in a fetched public HTML page.
Open tool →HTML Text Ratio Checker
Estimate visible text bytes as a percentage of HTML response size.
Open tool →Live H1 Count Checker
Count H1 elements on a public page.
Open tool →Live H1 Text Checker
List H1 heading text found on a public page.
Open tool →Live H2 Count Checker
Count H2 elements on a public page.
Open tool →Heading Summary Checker
Summarize H1 through H6 counts for a public page.
Open tool →Live Image Count Checker
Count img elements on a public page.
Open tool →Missing Alt Image Checker
Count images without useful alt attributes on a public page.
Open tool →Live Link Count Checker
Count anchor links found on a public page.
Open tool →Internal Link Count Checker
Count links that point to the same host as the checked page.
Open tool →External Link Count Checker
Count links pointing to other hosts from a public page.
Open tool →Nofollow Link Count Checker
Count page links carrying rel=nofollow.
Open tool →Target Blank Noopener Checker
Find target=_blank links missing noopener/noreferrer protection.
Open tool →Form Count Checker
Count form elements on a public HTML page.
Open tool →Insecure Form Action Checker
Find HTTP form actions on a page loaded over HTTPS.
Open tool →Script Count Checker
Count script elements in a public page HTML response.
Open tool →Stylesheet Count Checker
Count linked stylesheet resources on a public page.
Open tool →JSON-LD Count Checker
Count application/ld+json structured-data script blocks.
Open tool →Open Graph Meta Checker
Count and summarize Open Graph meta properties on a public page.
Open tool →Twitter Card Meta Checker
Check for Twitter/X card metadata on a public page.
Open tool →Hreflang Count Checker
Count alternate hreflang link declarations on a public page.
Open tool →Favicon Link Checker
Find favicon/icon link declarations in public HTML.
Open tool →Iframe Count Checker
Count iframe elements on a public page.
Open tool →Lazy Image Count Checker
Count images explicitly using loading=lazy.
Open tool →On-Page SEO Quick Score
Score basic public-page signals including title, description, canonical, H1, alt text, viewport and language declaration.
Open tool →Batch Image Tools
Process multiple images locally in your browser: convert, resize, crop, rotate, compress and watermark without uploading files.
Batch Image to JPG
Convert multiple images to JPG locally and download the results as a ZIP.
Open tool →Batch Image to PNG
Convert multiple images to PNG locally and download the results as a ZIP.
Open tool →Batch Image to WebP
Convert multiple images to WebP locally and download the results as a ZIP.
Open tool →Batch Resize Images by Width
Resize multiple images to a chosen width while preserving aspect ratio.
Open tool →Batch Resize Images by Percentage
Scale multiple images by a chosen percentage while preserving aspect ratio.
Open tool →Batch Limit Image Dimension
Resize images only when needed so neither dimension exceeds the chosen maximum.
Open tool →Batch JPG Compressor
Re-encode multiple images as compressed JPG files with adjustable quality.
Open tool →Batch WebP Compressor
Re-encode multiple images as WebP with adjustable quality.
Open tool →Batch Grayscale Images
Convert multiple images to grayscale locally.
Open tool →Batch Sepia Images
Apply a sepia filter to multiple images locally.
Open tool →Batch Invert Images
Invert the colors of multiple images locally.
Open tool →Batch Image Brightness
Adjust brightness across multiple images by one percentage value.
Open tool →Batch Image Contrast
Adjust contrast across multiple images locally.
Open tool →Batch Image Saturation
Adjust color saturation across multiple images locally.
Open tool →Batch Blur Images
Apply an adjustable blur to multiple images locally.
Open tool →Batch Rotate Images 90°
Rotate multiple images 90 degrees clockwise.
Open tool →Batch Rotate Images 180°
Rotate multiple images 180 degrees.
Open tool →Batch Rotate Images 270°
Rotate multiple images 270 degrees clockwise.
Open tool →Batch Flip Images Horizontally
Mirror multiple images left-to-right.
Open tool →Batch Flip Images Vertically
Flip multiple images top-to-bottom.
Open tool →Batch Crop Images Square
Center-crop multiple images to a 1:1 square.
Open tool →Batch Crop Images 16:9
Center-crop multiple images to a 16:9 aspect ratio.
Open tool →Batch Create 300px Thumbnails
Create 300×300 center-cropped thumbnails from multiple images.
Open tool →Batch Strip Image Metadata
Re-encode multiple images to remove embedded metadata while preserving visible pixels.
Open tool →Batch Watermark Images
Add the same text watermark to multiple images locally.
Open tool →CSV & Spreadsheet Tools
Clean, transform, inspect and split CSV/TSV data locally in your browser.
CSV to TSV File
Convert a CSV file to tab-separated values locally.
Open tool →TSV to CSV File
Convert a TSV file to standard comma-separated values locally.
Open tool →CSV Delimiter Converter
Convert CSV data to semicolon, pipe or tab-delimited format.
Open tool →CSV Remove Empty Rows
Remove rows whose cells are all empty.
Open tool →CSV Remove Empty Columns
Remove columns that are empty in every data row.
Open tool →CSV Trim Cell Whitespace
Trim leading and trailing whitespace from every CSV cell.
Open tool →CSV Add Row Numbers
Add a row-number column to a CSV file.
Open tool →CSV Rename Column
Rename one CSV header without changing the data rows.
Open tool →CSV Select Columns
Keep only selected columns from a CSV file.
Open tool →CSV Reorder Columns
Reorder CSV columns using a comma-separated header list.
Open tool →CSV Sort Rows by Column
Sort CSV rows by a selected column in ascending or descending order.
Open tool →CSV Filter Rows Containing Text
Keep rows where a selected column contains a search string.
Open tool →CSV Filter Numeric Range
Keep rows whose selected numeric column falls inside a minimum/maximum range.
Open tool →CSV Deduplicate Entire Rows
Remove exact duplicate CSV rows while preserving the first occurrence.
Open tool →CSV Deduplicate by Column
Keep the first row for each unique value in a selected column.
Open tool →CSV Transpose
Swap CSV rows and columns locally.
Open tool →CSV Numeric Column Statistics
Calculate count, sum, mean, minimum and maximum for a numeric CSV column.
Open tool →CSV Missing Value Report
Report blank-cell counts and percentages for every column.
Open tool →CSV Distinct Values
List unique values from a selected CSV column.
Open tool →CSV Frequency Table
Count how often each value appears in a selected CSV column.
Open tool →CSV Sample First Rows
Create a smaller CSV containing the header plus the first N data rows.
Open tool →CSV Split by Row Count
Split a large CSV into multiple smaller CSV files inside a ZIP.
Open tool →CSV Split by Column Value
Create one CSV per distinct value in a selected column and download them as a ZIP.
Open tool →Merge CSV Files
Merge multiple CSV files that share the same header into one downloadable CSV.
Open tool →CSV Normalize Line Endings
Rewrite a CSV file with consistent LF or CRLF line endings.
Open tool →Text File Tools
Convert, clean, inspect and split plain-text files locally without uploading them.
Text File CRLF to LF
Convert Windows CRLF line endings to Unix LF locally.
Open tool →Text File LF to CRLF
Convert text line endings to Windows CRLF locally.
Open tool →Add UTF-8 BOM to Text File
Add a UTF-8 byte-order mark to a local text file.
Open tool →Remove UTF-8 BOM
Remove a UTF-8 BOM from the beginning of a text file if present.
Open tool →Normalize Text File to Unicode NFC
Normalize Unicode text to NFC form locally.
Open tool →Normalize Text File to Unicode NFD
Normalize Unicode text to NFD form locally.
Open tool →Strip Control Characters from Text File
Remove non-printing ASCII control characters while preserving tabs and newlines.
Open tool →Tabs to Spaces File Converter
Replace tab characters with a chosen number of spaces.
Open tool →Trim Trailing Whitespace in File
Remove spaces and tabs from the end of every line.
Open tool →Ensure Final Newline
Ensure a text file ends with exactly one newline.
Open tool →Remove Final Newline
Remove trailing newline characters from the end of a text file.
Open tool →Sort Text File Lines
Sort all lines alphabetically and download the result.
Open tool →Sort Text File Lines Numerically
Sort lines by numeric value.
Open tool →Deduplicate Text File Lines
Remove duplicate lines while preserving first occurrence order.
Open tool →Reverse Text File Line Order
Reverse the order of lines in a text file.
Open tool →Extract Emails from Text File
Extract unique email addresses from a local text file.
Open tool →Extract URLs from Text File
Extract unique HTTP and HTTPS URLs from a local text file.
Open tool →Extract IPv4 Addresses from Text File
Extract unique IPv4-like addresses and validate octets.
Open tool →Extract Domain Names from Text File
Extract unique domain names from text and URLs.
Open tool →Text File Word Frequency Report
Create a frequency report of the most common words in a text file.
Open tool →Text File Line Length Report
Report minimum, maximum and average line lengths.
Open tool →Split Text File by Line Count
Split a text file into multiple parts inside a ZIP archive.
Open tool →Join Text Files
Join multiple text files in selected order with a configurable separator.
Open tool →Prefix Every Line in Text File
Add the same prefix to every line of a text file.
Open tool →Suffix Every Line in Text File
Add the same suffix to every line of a text file.
Open tool →File Inspection & Checksums
Inspect local files, calculate checksums and analyze binary/text characteristics in your browser.
File Size Analyzer
Show exact bytes and human-readable size for a local file.
Open tool →File MIME Type Checker
Report the browser-provided MIME type and filename extension.
Open tool →File Signature Detector
Identify common file formats from magic bytes at the start of a local file.
Open tool →Adler-32 File Checksum
Calculate an Adler-32 checksum for a local file.
Open tool →FNV-1a 32-bit File Hash
Calculate the FNV-1a 32-bit hash of a local file.
Open tool →BSD Sum File Checksum
Calculate the classic BSD 16-bit rotating checksum for a local file.
Open tool →System V Sum File Checksum
Calculate the classic System V 16-bit checksum for a local file.
Open tool →CRC32 File Checksum
Calculate a CRC32 checksum for a local file.
Open tool →File Entropy Analyzer
Estimate Shannon entropy in bits per byte from local file bytes.
Open tool →File Byte Frequency Report
List the most frequent byte values in a local file.
Open tool →Printable Byte Ratio
Measure the percentage of ASCII printable/whitespace bytes in a file.
Open tool →NUL Byte Counter
Count zero bytes in a local file.
Open tool →File Hex Preview
Display the first bytes of a file as hexadecimal values.
Open tool →File Base64 Preview
Encode the beginning of a local file as Base64 for inspection.
Open tool →UTF-8 File Validator
Check whether a local file is valid UTF-8 using a strict decoder.
Open tool →File BOM Detector
Detect UTF-8, UTF-16 and UTF-32 byte-order marks.
Open tool →Line Ending Detector
Count CRLF, lone LF and lone CR line endings in a local text file.
Open tool →Text or Binary File Classifier
Classify a file using NUL bytes, UTF-8 validity and printable-byte ratio.
Open tool →Image Dimension Reader
Read width and height from a local image without uploading it.
Open tool →Image Aspect Ratio Reader
Calculate aspect ratio from a local image file.
Open tool →Audio Duration Reader
Read duration from a local browser-supported audio file.
Open tool →Video Duration Reader
Read duration from a local browser-supported video file.
Open tool →Video Resolution Reader
Read pixel dimensions from a local browser-supported video.
Open tool →Archive Format Detector
Identify ZIP, GZIP, 7z, RAR and TAR signatures where detectable from a local file.
Open tool →Local Duplicate File Checker
Compare multiple files by SHA-256 and report exact duplicate groups.
Open tool →PDF Organize & Pages
Merge, split, extract, reorder, rotate and reorganize PDF pages with temporary server-side processing.
Merge PDF Files
Combine two or more PDF files into one PDF in the order you choose.
Open tool →Split PDF into Individual Pages
Split every page of a PDF into a separate PDF and download them together as a ZIP.
Open tool →Extract PDF Pages
Create a new PDF from selected page numbers or ranges such as 1,3-5.
Open tool →Remove PDF Pages
Remove selected pages from a PDF while keeping the remaining pages in their original order.
Open tool →Reorder PDF Pages
Rebuild a PDF using a custom complete page order such as 3,1,2,4.
Open tool →Reverse PDF Page Order
Reverse all pages in a PDF so the last page becomes the first.
Open tool →Rotate PDF 90 Degrees
Rotate every page in a PDF clockwise by 90 degrees.
Open tool →Rotate PDF 180 Degrees
Rotate every page in a PDF by 180 degrees.
Open tool →Rotate PDF 270 Degrees
Rotate every page in a PDF clockwise by 270 degrees.
Open tool →Rotate Selected PDF Pages
Rotate only the PDF pages you specify while leaving all other pages unchanged.
Open tool →Duplicate a PDF Page
Duplicate one selected PDF page a chosen number of times in the output document.
Open tool →Insert Blank PDF Page
Insert a blank page before a selected page while matching that page size.
Open tool →Add Blank Page to Start of PDF
Add a blank page at the beginning of a PDF using the first page dimensions.
Open tool →Add Blank Page to End of PDF
Add a blank page at the end of a PDF using the last page dimensions.
Open tool →Split PDF Every N Pages
Break a PDF into smaller PDFs containing a fixed number of pages per file.
Open tool →Split PDF at Page
Split one PDF into two PDFs immediately after a selected page.
Open tool →Extract Odd PDF Pages
Create a PDF containing only odd-numbered pages from the source document.
Open tool →Extract Even PDF Pages
Create a PDF containing only even-numbered pages from the source document.
Open tool →Interleave Two PDFs
Alternate pages from two PDF files to create one interleaved document.
Open tool →Merge PDFs with Blank Separators
Merge multiple PDF files and insert one blank separator page between each document.
Open tool →Extract First PDF Page
Save the first page of a PDF as a new one-page PDF.
Open tool →Extract Last PDF Page
Save the last page of a PDF as a new one-page PDF.
Open tool →Export PDF Page Range as Separate Files
Export each page in a selected range as its own PDF inside a ZIP archive.
Open tool →Build PDF from Custom Page Sequence
Create a new PDF from any page sequence, including repeated pages such as 1,3,3,2.
Open tool →Repeat PDF Page
Create a PDF by repeating one selected source page a specified number of times.
Open tool →PDF Analysis & Metadata
Inspect PDF pages, text layers, links, forms and metadata, plus safely update common document properties.
PDF Page Count
Count the exact number of pages in a PDF file.
Open tool →PDF Page Size Analyzer
List each PDF page size in points, millimetres and common orientation.
Open tool →PDF Metadata Viewer
Read common PDF metadata including title, author, subject, creator and dates.
Open tool →Set PDF Title Metadata
Write or replace the Title metadata field in a PDF file.
Open tool →Set PDF Author Metadata
Write or replace the Author metadata field in a PDF file.
Open tool →Set PDF Subject Metadata
Write or replace the Subject metadata field in a PDF file.
Open tool →Set PDF Keywords Metadata
Write PDF keyword metadata from a comma-separated list.
Open tool →Remove PDF Metadata
Clear common descriptive PDF metadata while preserving the document pages.
Open tool →Set PDF Creation Date
Set the PDF CreationDate metadata to a date and time you choose.
Open tool →Set PDF Modification Date
Set the PDF ModDate metadata to a date and time you choose.
Open tool →PDF Encryption Checker
Check whether a PDF declares encryption or password protection.
Open tool →PDF Form Field List
List interactive AcroForm fields and their field types in a PDF.
Open tool →PDF Annotation Counter
Count PDF annotations page by page, including links and other annotation types.
Open tool →PDF Link Counter
Count link annotations in a PDF and report their destination types.
Open tool →PDF Bookmark & Outline Counter
Count bookmark and outline entries in a PDF document.
Open tool →PDF Page Rotation Report
Report the stored rotation value for every PDF page.
Open tool →Extract Text from PDF
Extract text from the PDF text layer page by page. Scanned image-only pages require OCR and are reported as empty.
Open tool →PDF Word Counter
Count words in extractable PDF text and show totals by page.
Open tool →PDF Character Counter
Count characters in extractable PDF text and show totals by page.
Open tool →Search Text in PDF
Search the PDF text layer for a phrase and report matching page numbers and counts.
Open tool →Find PDF Pages Containing Text
Return the page numbers whose extracted text contains your search phrase.
Open tool →PDF Text per Page to CSV
Export extracted PDF text into a CSV file with one row per page.
Open tool →PDF Links to CSV
Export detected PDF link annotations to CSV with page and target information.
Open tool →PDF Summary Report
Generate a compact report covering pages, sizes, rotations, metadata, text-layer words, links, forms and encryption status.
Open tool →PDF Version Checker
Read the PDF header version such as PDF-1.4 or PDF-1.7 from the file.
Open tool →Excel & Spreadsheet Tools
Convert, clean and reorganize XLSX workbooks and CSV data with practical spreadsheet workflows.
XLSX to CSV Converter
Convert the first or selected Excel worksheet to a UTF-8 CSV file.
Open tool →Export All Excel Sheets to CSV
Export every worksheet in an XLSX workbook as separate CSV files inside one ZIP.
Open tool →CSV to XLSX Converter
Convert a CSV or TSV file into a real XLSX workbook.
Open tool →XLSX to JSON Converter
Convert the first Excel worksheet to JSON using the first row as column names.
Open tool →Excel Sheet to JSON
Convert one named worksheet from an XLSX workbook to JSON.
Open tool →Extract Excel Worksheet
Copy one worksheet into a new standalone XLSX workbook.
Open tool →Merge Excel Workbooks
Combine worksheets from multiple XLSX workbooks into one workbook, renaming duplicates safely.
Open tool →Split Excel Workbook by Sheet
Split an XLSX workbook into one workbook per worksheet and download them as a ZIP.
Open tool →Rename Excel Worksheet
Rename one worksheet in an XLSX workbook.
Open tool →Delete Excel Worksheet
Remove one worksheet from an XLSX workbook while preserving the remaining sheets.
Open tool →Reorder Excel Worksheets
Reorder workbook sheets using a comma-separated list of worksheet names.
Open tool →Copy Excel Worksheet
Duplicate a worksheet inside the same workbook with a new sheet name.
Open tool →Remove Blank Excel Rows
Delete completely empty rows from every worksheet in an XLSX workbook.
Open tool →Remove Blank Excel Columns
Delete completely empty columns from every worksheet in an XLSX workbook.
Open tool →Trim Excel Cell Whitespace
Trim leading and trailing whitespace from text cells across an XLSX workbook.
Open tool →Find and Replace in Excel
Find text and replace it across string cells in every worksheet.
Open tool →Uppercase Excel Text Cells
Convert text cell values to uppercase while leaving formulas and numbers unchanged.
Open tool →Lowercase Excel Text Cells
Convert text cell values to lowercase while leaving formulas and numbers unchanged.
Open tool →Freeze First Row in Excel
Freeze the first worksheet row in every sheet for easier scrolling.
Open tool →Remove Frozen Panes from Excel
Remove freeze-pane settings from all worksheets in an XLSX workbook.
Open tool →Add AutoFilter to Excel Header Row
Add an AutoFilter across each worksheet used range using the first row as headers.
Open tool →Convert Excel Formulas to Cached Values
Create a workbook using the cached values stored for formulas. Cells without cached results may become blank.
Open tool →Remove Excel Comments
Remove cell comments and notes from every worksheet in an XLSX workbook.
Open tool →Remove Excel Hyperlinks
Remove hyperlink targets from all workbook cells while retaining displayed text.
Open tool →Remove Hidden Excel Sheets
Delete hidden and very-hidden worksheets while keeping at least one visible sheet.
Open tool →Spreadsheet Analysis
Inspect workbook structure, formulas, duplicates, missing values, dimensions and data quality signals.
Excel Worksheet List
List every worksheet and its visible, hidden or very-hidden state.
Open tool →Excel Used Range Analyzer
Report the used range and maximum row and column for every worksheet.
Open tool →Excel Row Counter
Count non-empty and used-range rows for each worksheet.
Open tool →Excel Column Counter
Count used-range columns for each worksheet.
Open tool →Excel Non-Empty Cell Counter
Count cells containing values across the workbook.
Open tool →Excel Formula Counter
Count formula cells by worksheet and across the entire workbook.
Open tool →Excel Error Cell Counter
Count cells containing Excel error values such as #DIV/0! or #VALUE!.
Open tool →Excel Blank Cell Counter
Count blank cells inside each worksheet used range.
Open tool →Excel Merged Cell Counter
Count merged ranges in each worksheet.
Open tool →Excel Hyperlink Counter
Count cells with hyperlinks across the workbook.
Open tool →Excel Comment Counter
Count cell comments and notes in each worksheet.
Open tool →Hidden Excel Sheet Finder
List hidden and very-hidden worksheets in an XLSX workbook.
Open tool →Hidden Excel Row Counter
Count hidden rows on every worksheet.
Open tool →Hidden Excel Column Counter
Count hidden columns on every worksheet.
Open tool →Duplicate Excel Row Finder
Find duplicate non-empty rows in a selected worksheet.
Open tool →Duplicate Excel Value Finder
Find repeated values in a selected column by letter or header name.
Open tool →Excel Numeric Column Summary
Calculate count, minimum, maximum, mean, median and sum for one numeric column.
Open tool →Unique Excel Values
List unique non-empty values from one selected worksheet column.
Open tool →Excel Value Frequency Table
Build a frequency table for values in a selected worksheet column.
Open tool →Excel Missing Values by Column
Report blank-cell counts and percentages for each used column in a worksheet.
Open tool →Excel Data Type Profile
Profile text, numeric, date, boolean, formula, error and blank cells by worksheet.
Open tool →Excel Formula List
List formula cells with worksheet names, coordinates and formulas.
Open tool →Excel Named Range List
List workbook defined names and their target expressions.
Open tool →Excel Workbook Properties
Read workbook creator, title, subject, keywords, category and date properties.
Open tool →Excel Workbook Summary Report
Generate a workbook-wide summary of sheets, dimensions, cells, formulas, comments, hyperlinks and hidden content.
Open tool →