Play all videos on youtube without flash in your preferred size using only HTML5.
This extension allows you to export your saved passwords and disabled login hosts using XML or CSV files that can be imported later.
The quick and easy way to delete your browsing history, erase all temporary internet files, remove downloaded files history, cookies, Flash LSO, typed URLs. Allows to delete private data when Firefox closes. Supported ext. tools like CCleaner.
— Open web pages saved with Internet Explorer or other browsers (MHT)
— Save many tabs, video and audio reliably, in a single ZIP file (MAFF)
— Return to the original site you saved a page from, and more!
FEBE (Firefox Environment Backup Extension) allows you to quickly and easily backup your Firefox extensions. In fact, it goes beyond just backing up -- It will actually rebuild your extensions individually into installable .xpi files.
Better YouTube experience. Provides 'Smart Buffer' for slow connections; auto loop; buffer preferences; quality selection; and more.
Adds toolbar buttons to the customize toolbar window in several programs including Firefox, Thunderbird and SeaMonkey. Some of the buttons make commonly preformed actions quicker, others add new functionality.
Make any pages' search functionality available in the Search Bar (or "search box")...
Set Default FullZoom Level,
Toolbar buttons for Page zoom and Text zoom.
Downloads all the images hosted on many of the popular free image hosts.
It adds some options to launch easily other profiles and the Profile Manager.
Secure Login is an extension for Firefox integrated password manager.
This 15KB restartless add-on will add a "File" -> "Restart" menu item and a ctrl/cmd + alt + r hotkey to restart Firefox or Seamonkey.
Collections are groups of related add-ons that anyone can create and share.Explore Collections