3,125 weekly downloads
Automatically translate from any language to your language.
809 weekly downloads
Lets you search for any given word using the free online service Dictionary.com.
573 weekly downloads
Yet another PDF eBook Searches. Simple addon to ease your journey to find PDF eBooks files..
509 weekly downloads
Why use one search engine like Google, Yahoo, or Bing when you can have them, plus piles of other search engines. Over 100 search engines for you to use to find what you are looking for on the Internet.
492 weekly downloads
Translate automatically from any languaje to Spanish with Google translate.
412 weekly downloads
Thesaurus suggestions at your fingertips.
341 weekly downloads
Search Oxford Dictionaries Online for English word definitions.
264 weekly downloads
Add Google Scholar to Firefox's search bar.
256 weekly downloads
Wikipedia is an openly-editable, free content internet encyclopedia. This search bar add-on utilizes SSL to protect searches between You and Wikipedia.
164 weekly downloads
Eccellio Science is fully dedicated to students and researchers that want to obtain fresh results and are very focused on Science matters. Not just Wikipedia as it often happen, but accredited and specialized websites. Enjoy Eccellio Science!
160 weekly downloads
Deutsche Wikipedia Suchmachine
144 weekly downloads
Dead simple, quick, and easy to use PDF search engine.