Cipher is a free and open source text encoding and decoding app for Linux. Currently it supports Caesar Shift Cipher, Atbash Cipher, Vigenere Cipher, ROT13 Cipher, ASCII Encoding, ase64 Encoding,Polybius Square Cipher and MD5, SHA1, SHA256, SHA384, SHA512 Hashing Functions. It is written in Vala and released under GNU General Public License v3.0. It is easy and simple to use application.
How to Install Cipher on Ubuntu Linux
You can install the latest version of Cipher software using terminal app from remote flathub. It is available as flatpak package. First you need to install flatpak and flathub on your system. Follow below link for installation steps.
After that restart your system and open the terminal software (ctrl+alt+t) and run below Cipher app flatpak install command.
flatpak install flathub com.github.arshubham.cipher
Now open the app using this command.
flatpak run com.github.arshubham.cipher
You can also uninstall the app using
sudo flatpak uninstall com.github.arshubham.cipher