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File Type & Properties Inspector
Magic-byte identification with extension-mismatch warnings.
What it does
Magic-byte identification with extension-mismatch warnings. Part of Documents & Files — PDF, image, and file helpers.
Also found under: file type, magic bytes, identify file.
When to use it
Confirm invoice.pdf is really a PDF and not a renamed executable.
Privacy & safety
Files are read locally and originals are never modified — outputs are new downloads. History records filenames, never file contents.
This tool reads files you explicitly pick — nothing is scanned without your choice, and originals are never modified.
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