XVI32 - Windows program that includes complete online help and requires less than a megabyte of hard disk space. AXARScan - Windows or DOS program with text extractor, bit editor, search, and multi-level undo. Hack - A hex editor in which you can write REXX script to do whatever modification you want. [Public domain] DataWorkshop - A multiplatform binary data editor with support for user defined structures. Requires Java. [Windows, Linux, MacOS] Catch22 HexEdit 1.2 - Cut, copy, paste, insert and delete data with no decrease in performance with larger files and unlimited multi-level undo and redo capability. For Microsoft Windows, and has maximum file size limit of 4Gb. febooti Hex Editor - A Hex Editor designed for integration into Windows properties pages. 1Fh - Fast opening and editing of large binary files.