The easy way to download and convert Web videos from hundreds of YouTube-like sites.
With this addon you can translate any text to your own language with one click or hot-key. You can either translate the selected text, this way the translated text will overwrite the original selected text, or you can translate the full page too.
LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.
This extension allows you to export your saved passwords and disabled login hosts using XML or CSV files that can be imported later.
(former Google Dictionary and Google Translate)
In-line dictionary for any word you point to or double-click; whole page translation of any web page in another language.
Autofill Forms enables you to fill out web forms with one click.
Add RSS icon back into location bar (URL) in Firefox 4.0. This icon was showed in Firefox 3.5/3.6 by default when page offered feeds.
Adds a button with the history drop-down menu to the Firefox toolbar, next to the bookmarks button.
Not compatible with Firefox 29! This functionality is built-in now, you don't need an add-on.
Firefox's Strata theme - reloaded: with new icons, hover effects and redesigned dialogue windows for Windows 7 and Linux
Collections are groups of related add-ons that anyone can create and share.Explore Collections