Debug a Binary File

Inspect headers and bytes while debugging a file format.

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Slip filer her, eller klik for at gennemse

Any file ingen filstørrelsesbegrænsning

Gennemse filer

Dine filer forlader aldrig din enhed. Al behandling sker lokalt i din browser.

Inspect the raw bytes of any file — offset, hex, and ASCII columns, like a classic hex editor. The file is read locally and never uploaded.

debugging tips

🐞

See exact byte values and offsets when a parser chokes on a file.

🔢

The aligned hex + ASCII columns make it easy to spot headers and string data.

📏

Offsets are shown in hex, matching most format specs and documentation.

🔒

Nothing is uploaded.

Vælg fil

Drop your file into the tool above. It stays entirely on your device — nothing is sent to any server.

Behandl

The tool processes your data instantly in your browser using JavaScript. No server, no waiting.

Hent

Get your result instantly. Nothing is stored after you leave the page — complete privacy.

✓Helt gratis — ingen skjulte omkostninger, nogensinde

✓Ingen konto, e-mail eller login krævet

✓Filer forlader aldrig din enhed

✓Ingen filstørrelsesbegrænsninger overhovedet

✓Ingen vandmærker på noget output

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Check a file's magic number to see what it actuall

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Spot readable text embedded in a binary file.

Inspect a Suspicious File Safely

Examine an unknown file's bytes without opening or

Learn How File Formats Work

Explore the byte structure of real files to unders