Packages and Binaries:

ncurses-hexedit

Edit files/disks in hex, ASCII and EBCDIC
Hexedit is a file editor which allows editing and viewing a file in hexadecimal, along with its ASCII or EBCDIC text equivalent. Standard editing features include insert, delete, search (text or byte searches), highlighted changes, undo, two different viewing formats, and full screen text snapshots. Allows editing of fixed disks as well. Includes a binary/octal/decimal/hex converter.

Installed size: 130 KB
How to install: sudo apt install ncurses-hexedit

hexeditor

Full screen curses Hex editor

root@kali:~# hexeditor -h
[N]Curses Hexedit 0.9.7 by Adam Rogoyski <[email protected]>
Copyright (C) 1998, 1999 Adam Rogoyski
This is free software; see the source for copying conditions.
There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE.

Usage: hexeditor [options] [file]
Options:
  -h, --help              Print this message and exit.
  -8, --highbit           Print high order 8-bit text.
  -a, --alltext           Print all text characters.
  -b, --buffer            Buffer the entire file in memory.
                            Much faster and enables insert/delete.
  -d, --disk              Edit a fixed disk, i.e. /dev/hda (Read-only)
  -f, --force             Force editing of disk.
                            Needed to write to disks.
  -n, --nocolor           Force Gray scale, no colors.
  -q, --quiet             Quiet Mode, No annoying beeping
  -r, --readonly          Do no modifying of the file.
  -v, --version           Print the version number and exit.