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.
< Σχολιασμός για τον κώδικα URL Shortener Unshortener
It works but for whatever reason it messes up with YouTube and certain thumbnails take a lot of time to load or don't load at all.