Identify a File's Real Type

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

Nije potrebna prijavaDatoteke ostaju privatne

Povucite datoteke ovdje ili kliknite za pregled

Any file bez ograničenja veličine datoteke

Pregledaj datoteke

Vaše datoteke nikada ne napuštaju vaš uređaj. Sva obrada odvija se lokalno u vašem pregledniku.

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.

Odaberite datoteku

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

Obradite

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

Preuzmite

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

✓Potpuno besplatno — bez skrivenih troškova, nikada

✓Nije potreban račun, e-mail ili prijava

✓Datoteke nikada ne napuštaju vaš uređaj

✓Apsolutno bez ograničenja veličine datoteke

✓Bez vodenih žigova na bilo kojem izlazu

Debug a Binary File

Inspect headers and bytes while debugging a file f

Find Text Strings in a File

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