Greasy Fork is available in English.
Adds small button next to shortened URLs (t.co/bit.ly/goo.gl) on Twitter and other sites that will replace the shortened URLs with their real locations and vice-versa. Useful for when you don't want to blindly click links.
Very useful
It needs to be factored, it is very big for something so little, and I keep getting
Use of Mutation Events is deprecated. Use MutationObserver instead.
in the console.