gThumb is an image viewer, browser, organizer and editor for the Linux system. It is released under GNU General Public License. Using gThumb image editor, you can edit image and adjust colors,Scale and rotate images, crop images, import images from a digital camera, convert image format and browse hard disk images files.
Install gThumb on Ubuntu
In Ubuntu open the terminal app (ctrl+alt+t) and type the below command and press the Enter key.
sudo apt update
Then run the below command in terminal to install gThumb image viewer and editor on Ubuntu.
sudo apt install gthumb
Type Y and hit enter to confirm the gThumb image viewer and editor installation. After the successful installation of gThumb image viewer and editor, type the below command in terminal app to start gThumb image viewer and editor.
gthumb
Install gThumb image editor via flatpak:
If you want to install it via flatpak from flathub, run below gThumb flatpak install command.
flatpak install flathub org.gnome.gThumb
And open it using below command.
flatpak run org.gnome.gThumb
And you can also uninstall it via below commands.
flatpak uninstall org.gnome.gThumb
[OR]
flatpak uninstall org.gnome.gThumb
Note: If you dont have flatpak and flathub, then install via below commands and restart your system after the installation.
sudo apt install flatpak
flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo
Install gThumb image editor via Snap:
You can also install it via the snap store. In the terminal run below command.
sudo snap install gthumb-unofficial
