File Inspection & Checksums
File Signature Detector
Identify common file formats from magic bytes at the start of a local file.
Runs in your browser
Quick answer
What does File Signature Detector do?
Identify common file formats from magic bytes at the start of a local file. It is designed for a direct input → result workflow with no account requirement. File-based browser-local tools process the selected data locally in your browser.
How to use File Signature Detector
- Enter, paste or choose the input requested by the tool.
- Adjust any options shown for your task.
- Run the tool, review the result and copy or download it when available.
For important financial, technical or publishing decisions, verify the result against the source system or rule that applies to your situation.
File Signature Detector FAQ
What does File Signature Detector do?
Identify common file formats from magic bytes at the start of a local file.
Is File Signature Detector free to use?
Yes. MediaZuno provides File Signature Detector free to use without requiring an account.
Does File Signature Detector upload my input?
This version runs in your browser. Your input is processed on your device rather than being uploaded to MediaZuno.