Learn How File Formats Work
Explore the byte structure of real files to understand formats.
Перетащите файлы или нажмите для выбора
Any file без ограничений по размеру файла
Ваши файлы никогда не покидают устройство. Вся обработка происходит локально в браузере.
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.
Как это работает
Почему наш?
Also check out…
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
