TabKiller

TabKiller is a helper extension for the avid user that uses heavy use of search engines and requires an elegant solution to declutter their browser.

Simply right click anywhere, hover over "TabKiller", and select the desired action. TabKiller will remove any duplicate tabs, and close any tab with a search engine open. Make sure to save your work first!

The current supported engines are Google, Bing, Yahoo, Baidu, Ask, Duckduckgo and Ecosia, in addition to StackOverflow and StackExchange, for the everyday coder.