Install gthumb by entering the following commands in the terminal:
sudo apt update sudo apt install gthumb
image viewer and browser
gThumb is an advanced image viewer and browser. It has many useful features, such as filesystem browsing, slide show, image catalogs, web album creation, camera import, image CD burning, batch file operations and quick image editing features like transformation and color manipulation. . It's designed for GNOME desktop environment and uses its platform. For camera import feature, the gPhoto2 library is used.