Once the file is open, press ESC and then type :%! xxd -b and then press ENTER. xxd is pretty useful when editing hex files with vim. 1 Rust The XXV visual hex viewer for the terminal. The file is displayed with address, Hex and text. For ASCII strings, the 'binary form' is the plain string form. Xxd hex editor Kelly Content Type imagegif nameworld1gif Content Description world1gif Content from CS MISC at Dong-A University Another Hex Editor used to edit binary data is the He圎dit Hex Editor.