Detect true file types from magic bytes and flag MIME mismatches.
About this tool
Find out what a file really is. Detect file types from magic bytes, catch MIME mismatches and ambiguity, sniff container formats, and flag risks like Office macros and polyglot files — a fast forensic check that runs entirely in the browser.
What it does
- Detect file type from magic bytes
- Flag MIME type mismatches and ambiguity
- Container format sniffing
- Risk flags for Office macros and polyglots
- Private, in-browser analysis
Repository
chayprabs/magic-byte-detector
Source code, issues, and releases
Spotted a bug or have an idea?
This tool is built in the open and shaped by feedback. If something feels off — or you want a feature — I read every message.
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