This app was mentioned in 2 comments, with an average of 1.50 upvotes
I normally do stuff on mobile because my computer is garbage. So here are some play store links
I generally use this one for editing existing gifs
And this one for making them both are somewhat clunky but they do work, the biggest issue is double checking the gif after you upload it.
Hopefully someone will chime in with other options for you.
I actually did this with androids https://play.google.com/store/apps/details?id=com.infinite.media.gifmaker
Never used imgurs editor, I'll have to check it out