- Open the file in Vim.
- Run the command
:% ! xxd
- Edit.
- Once done, run
:% ! xxd -r
- Save.
Original source: https://stackoverflow.com/questions/827326/whats-a-good-hex-editor-viewer-for-the-mac
:% ! xxd
:% ! xxd -r
Original source: https://stackoverflow.com/questions/827326/whats-a-good-hex-editor-viewer-for-the-mac