Identify a File's Real Type

Check a file's magic number to see what it actually is.

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Numeskite failus čia arba spustelėkite naršyti

Any file jokio failo dydžio apribojimo

Naršyti failus

Jūsų failai niekada nepalieka jūsų įrenginio. Visas apdorojimas vyksta vietiškai jūsų naršyklėje.

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.

file identification tips

🔎

The first bytes (magic number) reveal the true format regardless of the file extension.

🏷️

The tool names common types automatically — PNG, PDF, ZIP, MP4, and more.

🕵️

Useful when a file has the wrong or no extension, or you suspect it's mislabeled.

🔒

Read locally — safe for unknown files.

Pasirinkite failą

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

Apdorokite

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

Atsisiųskite

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

✓Visiškai nemokamai — jokių paslėptų išlaidų, niekada

✓Nereikia paskyros, el. pašto ar prisijungimo

✓Failai niekada nepalieka jūsų įrenginio

✓Absoliučiai jokių failo dydžio apribojimų

✓Jokių vandens ženklų jokiame rezultate

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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