Reddit - Downloading png/jpeg instead of webp.
Just wanna give a shoutout to nopperl, who has created an extension for Firefox which automatically loads images directly instead of their HTML page and gives you the ability to change the accept header, so your browser doesn't load webp over png/jpeg. Thanks to that, you can download images directly from Reddit as pngs and jpegs without the need to convert these files afterward.
Github: https://github.com/nopperl/load-reddit-images-directly
Firefox addons: https://addons.mozilla.org/en-US/firefox/addon/load-reddit-images-directly/