Version 1.5 of package Nhexl-Mode has just been released in GNU ELPA. You can now find it in M-x list-packages RET.
Nhexl-Mode describes itself as: ============================================ Minor mode to edit files via hex-dump format ============================================ More at https://elpa.gnu.org/packages/nhexl-mode.html ## Summary: This package implements NHexl mode, a minor mode for editing files in hex dump format. The mode command is called `nhexl-mode'. This minor mode implements similar functionality to `hexl-mode', but using a different implementation technique, which makes it usable as a "plain" minor mode. It works on any buffer, and does not mess with the undo log or with the major mode. It also comes with: - `nhexl-nibble-edit-mode': a "nibble editor" minor mode. where the cursor pretends to advance by nibbles (4-bit) and the self-insertion keys let you edit the hex digits directly. - `nhexl-overwrite-only-mode': a minor mode to try and avoid moving text. In this minor mode, not only self-inserting keys overwrite existing text, but commands like `yank' and `kill-region' as well. ## Recent NEWS: Since v1.5: - New var `nhexl-nibble-copy-hex' to allow kill operations to copy the hex form when in nibble mode.
