URL Shortener UnshortenerJS
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.
Google & baidu Switcher (ALL in One)JS
The search engine jump tools of Google, Baidu and Bing automatically update and detect the script by default. You can customize the Bing button and other search jump effect settings in the menu.