File Hex Viewer

Upload any file to calculate and display its hexadecimal bytes with drag-and-drop, file info and HEX copy/download

File Hex Viewer

Upload any file to calculate and display its hexadecimal bytes with drag-and-drop support

Click or drag a file here to upload

Any file type is supported. Files never leave your device.

Usage Guide

What is a HEX value?

HEX (hexadecimal) is a base-16 numbering system using 0-9 and A-F. A file HEX view shows each byte as its hexadecimal representation.

Use cases

File format analysis and debugging
Binary file content inspection
File integrity verification
Security research and reverse engineering
Data recovery and repair

Steps

Click or drag a file into the upload area
Review file info and choose a HEX display format
Copy or download the HEX output for further use

Format options

Space separatedSeparate each byte with a space for readability
No separatorContinuous output for easy copying into other tools
UppercaseUse uppercase hexadecimal letters (A-F)

Tips

Large files may take longer to parse
Use “No separator” when pasting into other tools
Make sure the HEX output is generated before copying or downloading

Privacy & security

This tool runs entirely in your browser. Files are never uploaded, and all processing happens on your device.