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163 Add-ons in this Collection
Integrates location bar and search bar into one. Shows search and url suggestions. Quickly switch search engine using search keywords. Provides different auto-complete popup styles for compact displays.
This 15KB restartless add-on will add a "File" -> "Restart" menu item and a ctrl/cmd + alt + r hotkey to restart Firefox or Seamonkey.
Allows URI texts written in webpages to be loaded by double clicks.
Saves highlighted text to a file in the specified directory
Color tools for web development.
Color picker and eyedropper + saving colors and trying out colors with drag and drop.
The official extension from the people at Dictionary.com, the most popular and trusted online dictionary and thesaurus, to look up word definitions and synonyms anywhere you go with Firefox via a simple pop-up.
"Maximize your screen space by adjusting Firefox window TitleBar, borders, Tabs, Toolbars, etc!", with 'smart' options, *optional* custom caption & resizers.
Multiple Configurable Actions for both screen-corner buttons: Firefox & Close buttons!
Enables automatic replay of a YouTube video or watching a part of it again and again...
Help make Firefox better. The Add-on Compatibility Reporter enables you to report if the Firefox add-ons that you're using are working properly.
Secure Login is an extension for Firefox integrated password manager.
Monitors web pages for updates. Useful for websites that don't provide Atom or RSS feeds.