An easy to use terminal-based hex editor written in Python.

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Warning! This software is very much experimental and still has issues; use at your own risk.

Usage

Global key bindings

• Escape: Cancel any active prompts and go back to edit mode.
• Ctrl-C: Quit.
• Ctrl-L: Refresh screen.

Editing (byte and ASCII)

Actions:

• Ctrl-E: Change endian.
• Ctrl-B: Change numerical base.
• Ctrl-S: Search.
• Ctrl-G: Goto byte.
• Ctrl-R: Reload file.
• Ctrl-W: Write file.

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Cursor/scrolling:

• Up/down/left/right: Move cursor.
• Pgup/pgdn: Previous/next page.
• Ctrl-L: Scroll cursor to center/top/bottom.

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Mode switching:

• Tab: Toggle between byte and ASCII editing.
• Insert: Toggle overwrite mode.
• Ctrl-Q: Capture next key press and insert as character.
• Ctrl-M: Modify current byte.
• Ctrl-N: Modify current byte in binary mode.

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Editing:

• Backspace: Delete (or zero) the byte before the cursor and move the cursor left.
• Delete: Delete (or zero) the byte under the cursor.
• Ctrl-K: Delete from cursor to end of file.

Editing (byte)

• Any non-digit key: Reset any active numerical digits which have not yet been written.

Search

• Ctrl-S: Find next match.
• Ctrl-R: Find previous match.
• Enter: Exit search mode.

Known bugs/missing features

• Large files (30MB+) get pretty slow (just blame Python.)
• No undo/redo.
• No structure decoding.

License

See file LICENSE.txt for more information.