Files & local bytes / 31 related tools
File-signature inspector
Inspect leading bytes against a disclosed set of common signatures. It runs on the selected bytes in this browser tab, and never overwrites the original.
File-signature inspector
Inspect leading bytes against a disclosed set of common signatures.
A signature match is a hint, not proof that the entire file is valid or safe.
Next in this job
Chosen from where these tools sit in the catalogue — the same workbench, the same category, the same words. Nothing here measures what you or anyone else opened.
- Magic-byte inspectorShow the first 32 bytes and a common-signature match.Next along in the same workbench
- Duplicate-file finderGroup selected files by exact byte length and SHA-256 digest.Next along in the same workbench
- MIME-type detectorCompare browser-reported MIME type, filename extension, and common leading-byte signatures.Next along in the same workbench
- Transparent signature generatorGenerate a clean, scalable vector SVG signature template with transparent background.Another signature tool