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