Secrets & .env Tools
Redact, inspect, and transform developer secrets and environment text locally. 25 tools are currently live in this section.
Generic Secret Masker
Mask a secret while preserving a configurable number of edge characters.
Open tool →Email Address Redactor
Redact email addresses from pasted text locally.
Open tool →IPv4 Address Redactor
Redact IPv4 addresses from text locally.
Open tool →URL Credential Detector
Find URLs containing username/password userinfo.
Open tool →Bearer Token Redactor
Redact Bearer token values in logs or headers.
Open tool →Authorization Header Redactor
Redact credentials from Authorization header lines.
Open tool →Cookie Value Redactor
Redact Cookie header values while preserving cookie names.
Open tool →Set-Cookie Value Redactor
Redact the primary cookie value from Set-Cookie header text.
Open tool →Query Secret Redactor
Redact common secret-like query parameters in URLs.
Open tool →JSON Secret Key Redactor
Recursively redact values whose JSON keys look sensitive.
Open tool →Environment Secret Redactor
Redact values of sensitive-looking .env keys.
Open tool →Environment Key Extractor
Extract variable names from .env-style text.
Open tool →Environment Variable Sorter
Sort .env assignments alphabetically while preserving comments separately.
Open tool →Environment Duplicate Key Finder
Find duplicate variable names in .env-style text.
Open tool →Environment Empty Value Finder
List .env variables that have empty values.
Open tool →Environment Comment Stripper
Remove full-line comments and blank lines from .env text.
Open tool →Environment Key Name Validator
Validate .env variable names against common shell-style rules.
Open tool →Environment to JSON Converter
Convert simple .env assignments into a JSON object locally.
Open tool →JSON to Environment Converter
Convert a flat JSON object into quoted .env assignments.
Open tool →PEM Block Extractor
Extract PEM blocks and labels from text.
Open tool →PEM Label Inspector
List BEGIN/END PEM labels and whether they are balanced.
Open tool →PEM Line Normalizer
Normalize the Base64 body of a PEM block to 64-character lines.
Open tool →SSH Public Key Inspector
Inspect SSH public-key type, Base64 length, fingerprint input length, and comment.
Open tool →Private Key Marker Detector
Detect common PEM private-key BEGIN markers without uploading the key.
Open tool →Sensitive Key Name Finder
Find variable or JSON-style key names that commonly indicate secrets.
Open tool →About Secrets & .env Tools
Redact, inspect, and transform developer secrets and environment text locally. MediaZuno groups closely related utilities together so you can move between tasks without hunting across different websites.