Loupe is a free and open source image viewer application for Linux. It is a simple and easy to use but modern image viewer. you can zoom, toggle full screen, copy to clipboard, view all image data details, rotate, set as background, print the image directly and more. It is written in Rust/GTK4 and released under GNU General Public License v3.0.
Install Loupe Image Viewer on Ubuntu Linux
Loupe is available as a flatpak package file. If you don’t have flatpak and flathub on your system first install the latest version of flatpak and flathub on your system and restart it after the installation.
How to Install Flatpak and Flathub
Now open the terminal command line application and run below Loupe flatpak install command. It will instal the latest version of Loupe Image Viewer on your system.
flatpak install flathub org.gnome.Loupe
And open the image viewer using below command or via the applications menu.
flatpak run org.gnome.Loupe
You can also uninstall Loupe using this command.
sudo flatpak uninstall org.gnome.Loupe