basez software package provides base 16/32/64 encode/decode data to standard output, 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 basez
basez is installed in your system.
Make ensure the basez package were installed using the commands given below,
$ sudo dpkg-query -l | grep basez *
You will get with basez package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Utilities |
| Package | basez |
| Version | 1.6-3 |
| Description | base 16/32/64 encode/decode data to standard output |
| Sub Section | Utils |