Learn How File Formats Work

Explore the byte structure of real files to understand formats.

Ebda login meħtieġIl-fajls jibqgħu privati

Waqqa 'fajls hawn, jew ikklikkja biex tfittex

Any file ebda limitu tad-daqs tal-fajl

Fittex fajls

Il-fajls tiegħek qatt ma jħallu t-tagħmir tiegħek. L-ipproċessar kollu jseħħ lokalment fil-browser tiegħek.

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.

learning tips

🎓

Compare the headers of a PNG, a PDF, and a ZIP to see how formats announce themselves.

🔢

Seeing real bytes alongside ASCII makes format specs much easier to follow.

🧩

A hands-on way to understand magic numbers and headers.

🔒

Experiment freely — nothing is uploaded.

Agħżel File

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

Proċess

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

Niżżel

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

✓Kompletament b'xejn — l-ebda spejjeż moħbija, qatt

✓Ebda kont, email, jew login meħtieġa

✓Fajls qatt ma jħallu t-tagħmir tiegħek

✓Ebda limitu ta' daqs tal-fajl

✓Ebda filigrani fuq kwalunkwe output

Identify a File's Real Type

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

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