Last Updated on March 9, 2026
rehex is a cross-platform hex editor for reverse engineering and everything else.
This is free and open source software.
Key Features
- Large (1TB+) file support.
- Decoding of integer/floating point value types.
- Inline disassembly of machine code.
- Highlighting and annotation of ranges of bytes.
- Side by side comparison of whole files or selections.
- Lua scripting support (API reference).
- Virtual address mapping support.
- Support for common text encodings (ASCII, Unicode, ISO-8859-X, etc).
- Import and export of Intel HEX files.
- Bitmap data visualisation.
- Binary Templates for automatically annotating data (similar to 010 Editor).
- Bit editing/manipulation.
- Checksumming of files/selections.
Website: github.com/solemnwarning/rehex
Support:
Developer: Daniel Collins
License: GNU General Public License v2.0
rehex is written in C++. Learn C++ with our recommended free books and free tutorials.
Related Software
| GUI Hex Editors | |
|---|---|
| ImHex | Hex editor with many advanced features |
| Hexerator | Hex editor focused on binary file exploration and aiding pattern recognition |
| rehex | Hex editor for reverse engineering |
| Okteta | Simple KDE editor for the raw data of files with good range of features |
| GHex | Hex editor for GNOME |
| wxHexEditor | Hex and disk editor which uses the wxWidgets GUI libraries |
| Fhex | Aims to be a lightweight yet full-featured hex editor. |
| wxMEdit | Improved version of the discontinued MadEdit |
| HexWalk | Hex editor, viewer, and analyzer |
| BinEd | Editor for binary data (hex viewer/editor) written in Jav |
| Bless | Gtk# hex editor |
| Chirurgien | Helps understand and manipulate file formats |
Read our verdict in the software roundup.
 Explore our comprehensive directory of recommended free and open source software. Our carefully curated collection spans every major software category.This directory is part of our ongoing series of informative articles for Linux enthusiasts. It features hundreds of detailed reviews, along with open source alternatives to proprietary solutions from major corporations such as Google, Microsoft, Apple, Adobe, IBM, Cisco, Oracle, and Autodesk. You’ll also find interesting projects to try, hardware coverage, free programming books and tutorials, and much more. Discovered a useful open source Linux program that we haven’t covered yet? Let us know by completing this form. |