ascii2binary software package provides Convert between ASCII, hexadecimal and binary representations, you can install in your Debian 9 (Stretch) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install ascii2binary
ascii2binary is installed in your system.
Make ensure the ascii2binary package were installed using the commands given below,
$ sudo dpkg-query -l | grep ascii2binary *
You will get with ascii2binary package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Miscellaneous |
| Package | ascii2binary |
| Version | 2.14-1+b1 [armhf], 2.14-1 [amd |
| Description | Convert between ASCII, hexadecimal and binary representations |
| Sub Section | Miscellaneous |