16,435 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.
DuckDuckGo is a search engine that does not track you. Adds DuckDuckGo as the default address bar, search bar and right-click search engine. Adds a handy toolbar button for easy access to !bang tags. Adds DuckDuckGo instant answers to Google/Bing.
GoogleSharing helps prevent Google from tracking your searches and web activity.
Keep your personal info private on the web with new & powerful privacy tool, MaskMe.
520 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.
439 weekly downloads
Tired of being redirected to a local Google site when you specifically want Google.com?
Use "Google dot com", not "dot something else". Use Google.com, in English, without being redirected to a country-specific Google site when you're not in the US.
Counting the number of words, characters without any extra clicks. Just select the text and the statistics is shown in the status bar widget. It also gives detail report about the numbers of sentences, paragraphs, average lengths, keyword density...
Lets firefox handle vlc:// links
(experimental; not in active development)
Get a FREE tool to write without mistakes on Facebook, Gmail, Twitter, Tumblr,
Linkedin, and anywhere else on the Web.
★ Contextual spell checker
★ Grammar check
★ Punctuation correction
Select any word on a webpage and get Google Dictionary's definition in a panel. Can look up words in many languages.
Web Mirror Viewer displays various internet mirrors of an open tab or right-clicked link via the right-click context menu. Useful for dealing with dead pages/broken links and getting around proxies.
LookOut is a plugin which allows to interface with Microsoft's mail tools by decoding metadata and attachments encapsulated/embedded in a TNEF encoded attachment (aka winmail.dat).
This version is a fix for Seamonkey 2.*.
Select a text, right click and search for it in youtube - easy!
feature 1 : An independent search tool (Ctrl twice, or Ctrl + Q).
feature 2 : single-key search function,
feature 3 : common single-key operation