Stegosuite is a free and open source steganographic application for Linux. Using Stegosuite, you can hide text and files in the Image file. It is a simple and easy to use GUI application. It only comes three options secret text, embed files and password to add extra protection to your files.
How to Install Stegosuite on Ubuntu
Stegosuite is available from the Ubuntu repository. In the terminal command line application (ctrl+alt+t) run below below command to install the latest version of Stegosuite on your Ubuntu Linux system.
sudo apt install stegosuite -y
After the successful insatallation of Stegosuite, you can open it using below command or via the show apps menu from Ubuntu dash dock.
Hide Files and Text Inside Images in Ubuntu
Type your secret message in the Enter secret message text box and right click on the embedded files text box.
You can also set the a password to protect your message and file. Now click the Embed button. It will save that secret text and file in your image file and saved as a new image file in the same folder.
How to Extract the Secret Text and File in Ubuntu
Open the embed saved image and click the Extract button. That’ it.