Apps similar to Dataescher HexEditor include ImHex, which is free and open source. Other options are HxD, Radare2, Hex Fiend and wxHexEditor. There's no shortage of Hex Editors like Dataescher HexEditor, with more than 25 alternatives for Windows, Mac, Linux, Android and iPhone.
ImHex is a free, featureful Hex Editor with many tools often only found in paid products. It includes a custom built scripting language for highlighting and decoding binary data, a disassembler, extensive file analysis tools and much much more
Germany
EU
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.
GermanyEU
Radare project started as a forensics tool, a scriptable commandline hexadecimal editor able to open disk files, but later support for analyzing binaries, disassembling code, debugging programs, attaching to remote gdb servers, ...
SpainEU
United States
Hex Editor. Support editing or comparing (diff) very large files up to 2^64 bytes. Cross-platform Linux, Mac OS, Windows.
Türkiye
Windows 11 hex editor with 100 interface language variants, 107 regional choices, and RTL layouts. Inspect binary structures, search data, and edit in your language.
Japan
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.
United States
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.
GreeceEU
Malcat is a feature-rich hexadecimal editor / disassembler / decompiler for reverse engineers and malware analysts. It has support for many file formats and CPUs, can scan for signatures, decrypt/decompress data, diff files and run python scripts.
FranceEU
Kaitai Struct is a formal language for binary format specification that can be compiled into parser code in Java, JavaScript, Python and Ruby.
HexEdit is a Windows hex editor, user-friendly and reliable with advanced features (full undo, macros, background searches, calculator, full customization, edits huge files).
United Kingdom
BinEd is a hex editor tool, which allows to directly browse and edit content of any file or binary data.
CzechiaEU
