Avvie is a free and open source image cropping application for Linux, Windows and MacOS. It is written in Python and released under GNU General Public License v3.0. It allows you to crop images quickly for avatars and wallpapers. It comes with preset aspect ratio for cropping, vertical and horizontal flipping, scale images, sharpen image, grayscale image, export image, discard EXIF, dark theme, export circle mode and more.
How to Install Avvie on Ubuntu Linux
Avvie is available as a flatpak package file from flathub. First install flatpak and flathub on your system and restart it after the installation.
Start the terminal command-line application using ctrl+alt+t keys and run below Avvie flatpak installation command. It will install the latest version of Avvie on your system.
flatpak install flathub com.github.taiko2k.avvie
After the installation you can open the app using this command.
flatpak run com.github.taiko2k.avvie
And uninstall it using
sudo flatpak uninstall com.github.taiko2k.avvie