16,689 weekly downloads
DuckDuckGo is a search engine that does not track you. Adds DuckDuckGo (HTTPS / SSL version) to the search bar. For more features, see the DuckDuckGo Plus add-on.
13,981 weekly downloads
This add-on will add an improved version of YouTube's search engine, now with search suggestions!
Thanks all who voted for helping this add-on to become public! Please keep leaving feedback!
8,254 weekly downloads
default google search with firefox
6,112 weekly downloads
3maps iLoveVitaly prOject is a maps for travellers, bloggers, dreamers and everybody, who use maps and address search, with a wide choice of services which reduce costs, dramatically improve the quality of your travel!
5,647 weekly downloads
Fast search and browse the address on 3 maps: OpenStreetMap, Google and Yandex at once.
4,757 weekly downloads
Startpage is a search engine that does not collect or share personally identifiable information. This search bar add-on utilizes SSL to protect searches between You and Startpage.
4,693 weekly downloads
Add Ixquick - The World's Most Private Search Engine - to your search box. Ixquick does not record your IP address. Search the Web in the best possible privacy!
4,093 weekly downloads
Privatelee.com (HTTPS) combines the best results from Google and Bing with the ultimate private search engine.
Privatelee does not save IP address or set uniquely identifiable or ad network cookies.
Features like WOT rating, infinite scrolling
3,815 weekly downloads
Google is the world's most popular search engine. This search bar add-on utilizes SSL to protect searches between You and Google.
3,125 weekly downloads
Automatically translate from any language to your language.
2,860 weekly downloads
This is the only officially supported Bing add-on, provided by the Bing team in Microsoft.
Bing is a search engine that finds and organizes the answers you need so you can make faster, more informed decisions.
2,511 weekly downloads
Accurate purchasing search engine. http://en.makepolo.com/
2,364 weekly downloads
Qrobe.it searches Google, Bing and Ask simultaneously.
Features infinite scrolling, TAM instant answers, keyword suggest, news, private, no tracking.
Directly search YouTube, Netflix, Hulu, Google/Bing maps, access weather from the search bar.
2,203 weekly downloads
This is an officially supported GenScript Search Add-on, provided by GenScript. The GenScript Search Add-on can enable you get access to comprehensive biology services, products, and useful bioinformatics tools much more easily and conveniently.
1,801 weekly downloads
Kickass.to torrent search with real time auto-completion
1,456 weekly downloads