When you edit an image in Gimp, you can save it as a PNG or JPEG. You can also save it as a PDF. To save an image as a PNG, use the following command: gimp -s -o png -w 100% -h 0% -b 100% –output-format png To save an image as a JPEG, use the following command: gimp -s -o jpeg -w 100% -h 0% -b 100% –output-format jpeg