Here's another cool trick. add an l, m, or s to the end of the file name just before the extension. like
https://i.imgur.com/7AVp3xbl.jpg gives you an 800 pixel-wide copy.
https://i.imgur.com/7AVp3xbm.jpg gives you
https://i.imgur.com/7AVp3xbs.jpg gets
That's only an imgur thing. No, as long as they stay in business, your image won't disappear.