Identify a File's Real Type
Check a file's magic number to see what it actually is.
Drop files here, or click to browse
Any file no file size limit
Your files never leave your device. All processing happens locally in your browser.
Inspect the raw bytes of any file β offset, hex, and ASCII columns, like a classic hex editor. The file is read locally and never uploaded.
file identification tips
The first bytes (magic number) reveal the true format regardless of the file extension.
The tool names common types automatically β PNG, PDF, ZIP, MP4, and more.
Useful when a file has the wrong or no extension, or you suspect it's mislabeled.
Read locally β safe for unknown files.
How It Works
Why use ours?
Also check outβ¦
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
Learn How File Formats Work
Explore the byte structure of real files to unders