Debug a Binary File

Inspect headers and bytes while debugging a file format.

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Any file aucune limite de taille de fichier

Parcourir les fichiers

Vos fichiers ne quittent jamais votre appareil. Tout le traitement se fait localement dans votre navigateur.

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.

Choisir un fichier

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

Traiter

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

Télécharger

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

✓Entièrement gratuit — sans coûts cachés, jamais

✓Aucun compte, e-mail ou connexion requis

✓Les fichiers ne quittent jamais votre appareil

✓Aucune limite de taille de fichier

✓Aucun filigrane sur aucun résultat

Identify a File's Real Type

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

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