Learn How File Formats Work
Explore the byte structure of real files to understand formats.
Přetáhněte soubory sem nebo klikněte pro procházení
Any file žádné omezení velikosti souboru
Vaše soubory nikdy neopustí vaše zařízení. Veškeré zpracování probíhá lokálně ve vašem prohlížeči.
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.
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