Computers

Fast opening and editing of large binary files.

Windows or DOS program with text extractor, bit editor, search, and multi-level undo.

A multiplatform binary data editor with support for user defined structures. Requires Java. [Windows, Linux, MacOS]

A Hex Editor designed for integration into Windows properties pages.

A hex editor in which you can write REXX script to do whatever modification you want. [Public domain]

Windows program that includes complete online help and requires less than a megabyte of hard disk space.