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.
For me, this script messes with the Cloudflare "verify that you are human" captcha. The checkbox reloads as soon as it appears.