HxD is a carefully designed and fast hex editor which, additionally to raw disk editing and modifying of main memory (RAM), handles files of any size.
Cost / License
- Free
- Proprietary
Application typeApplication types
Platforms
- Windows
Germany
EU



Catch22 HexEdit has been discontinued. Similar apps include HxD, which is free. Other options are UltraEdit, YuHex, Hex Fiend and wxHexEditor. There's no shortage of Hex Editors like Catch22 HexEdit, with more than 25 alternatives for Windows, Linux, Mac and Android.
HxD is a carefully designed and fast hex editor which, additionally to raw disk editing and modifying of main memory (RAM), handles files of any size.



UltraEdit is a commercially maintained editor built for critical work where performance, reliability, and security matter most.




Windows 11 hex editor with 100 regional UI choices, up to 16 text encodings, regex search, and structure analysis. Free and Store editions.






Hex Editor. Support editing or comparing (diff) very large files up to 2^64 bytes. Cross-platform Linux, Mac OS, Windows.




010 Editor is a professional text/hex editor designed to edit any file, drive, or process on your machine. Using Binary Templates technology, 010 Editor allows a binary file to be parsed into a data structure that can be understood.




Okteta is a simple editor for the raw data of files. This type of program is also called hex editor or binary editor. The data is displayed in the traditional view with two columns: one with the numeric values and one with the assigned characters.

Bless is a high quality, full featured hex editor. It is written in mono/Gtk# and its primary platform is GNU/Linux. However it should be able to run without problems on every platform that mono and Gtk# run on.



PE Explorer is the most feature-packed program for inspecting the inner workings of your own software, and more importantly, third party Windows applications and libraries for which you do not have source code.




Kaitai Struct is a formal language for binary format specification that can be compiled into parser code in Java, JavaScript, Python and Ruby.
GHex - a hex editor for GNOME
GHex allows the user to load data from any file, view and edit it in either hex or ascii.
Useful for debugging problems with object code or encodings.
Also used by kids who cheat at computer games, by adding score or lives to saved games.


BinEd is a hex editor tool, which allows to directly browse and edit content of any file or binary data.



