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



Kaitai Struct is described as 'Formal language for binary format specification that can be compiled into parser code in Java, JavaScript, Python and Ruby' and is a Hex Editor in the development category. There are more than 10 alternatives to Kaitai Struct for a variety of platforms, including Mac, Windows, Linux, Android and BSD apps. The best Kaitai Struct alternative is ImHex, which is both free and Open Source. Other great apps like Kaitai Struct are HxD, 010 Editor, Hex Fiend and BinEd.
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



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.



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.







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




WinHex is a hexadecimal editor capable of opening disks, sectors, files (native support for FAT, NTFS, Ext2/3, ReiserFS, Reiser4, UFS, CDFS, UDF) and physical memory (RAM). It can read, write and extract data for a further forensic analysis.

A cross-platform (Windows, Linux, Mac, BSD) hex editor for reverse engineering, and everything else.


HexEdit is a hexadecimal file editor for Microsoft Windows. HexEdit allows the user to view and edit any type of file, no matter what format it is saved in.



FileAlyzer is a tool to analyze files, allows a basic analysis of files (showing file properties and file contents in hex dump form) and is able to interpret common file contents like resources structures (like text, graphics, HTML, media and PE).



You got a binary file and don't know its contents. Or some software creates binary files where you have a specification but don't want to decode them manually.





