Hexedit

HexEdit is a free hex editor

Hex, octal, and ASCII displays. Find strings in hex, octal, and ASCII. Command line usage (hexedit filename), for all you command line freaks like me, or a GUI Open. Edit in hex, octal, or ASCII. Up to 1024 characters can be inserted, and any amount can be cut or deleted. (Be careful when doing this to executable files, as they may not work if you do this [but I'm not stopping you if you want to try...]). Configurable font face and size. (Stored in HKCU\Software\HexEdit) All colors are configurable and are stored in HKCU\Software\HexEdit) Copy and paste. Hex strings (e.g. "01 ff 4d") can be pasted into the hex window when hex viewing is on and HexEdit will automatically convert the string. Similarly, cutting from the hex window cuts the hex output. When the hex window is in octal mode, everthing is in octal. The ascii window always cuts and pastes in ascii. A note about clipboard usage: HexEdit uses the CB_TEXT type, so that you can cut and paste into other text editors. However, Windows uses '\0' to mark the end of the string, so trying to paste strings with nulls ('\0's) in them generally won't work. If you paste "00" into the hex window or "000" into the octal window, however, it will work

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• 
  Robert Johnson 10 months ago

  Likewise, this is not related to the open source Mac app that I'm running, from http://hexedit.sourceforge.net/

• 
  ElTopo about 1 year ago

  I am using Free version of HexEdit 1.11 from
  http://hexedit.com/

  and wakoopa incorrectly reports it as the one from Geoffrey Prewett

• 
  spadone about 1 year ago
  Overall:

  Extremely small and easy Hex Editor.
  Keep it in your pendrive....
  Freeware, Standalone