I don’t know what a .webp file is but I don’t like it. They’re like a filthy prank version of the image/gif you’re looking for. They make you jump through all these hoops to find the original versions of the files that you can actually do anything with.
To install GIMP, type:
pacman -S gimp. If you don’t know what is pacman, follow this guide: https://wiki.archlinux.org/title/Installation_guideRemoved by mod
How can I open many photos on gimp like to view group of photos?