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
Same request - please update. Maybe you can use a maintained url unshortener site with free API, there are a couple of them.