Learn How File Formats Work

Explore the byte structure of real files to understand formats.

Giriş tələb olunmurFayllar şəxsi qalır

Faylları buraya atın, ya da baxmaq üçün klikləyin

Any file fayl ölçüsü limiti yoxdur

Fayllara baxın

Fayllarınız heç vaxt cihazınızı tərk etmir. Bütün emal brauzerinizdə yerli olaraq baş verir.

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.

Fayl Seçin

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

Emal et

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

Yüklə

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

✓Tamamilə pulsuz — gizli xərclər yoxdur, heç vaxt

✓Heç bir hesab, e-poçt və ya giriş tələb olunmur

✓Fayllar heç vaxt cihazınızı tərk etmir

✓Heç bir fayl ölçüsü limiti yoxdur

✓Heç bir çıxışda watermark yoxdur

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