Most Popular Extensions
Highlights important information on Google's Safe Browsing diagnostic pages making them easily readable.
Enables recommending pages with Google's new +1 button on every page, even if the button was not installed on that page.
In Firefox 4, turn on either the "Menu Bar" or the "Add-On Bar..." to adjust settings of this extension (currently only ON/OFF).
Allows you to take notes from browser.
FireTrack No Restart
FireTrack is an extension which tracks time spent on different websites.
bug694856(Open selected text link) No Restart
Workaround Bug 694856 'Open link in ...' context menus are missing for url with /
Removes all ads from www.sfgate.com that appear on the right-hand side of the page.
Nie wieder nerviges Suchen nach gültigen Gutscheinen zum Sparen, das praktische Browser-Addon von GratisTempel.de zeigt immer die passenden Gutscheine an.
File manager for local files.
You can copy, move, rename and remove files and directories. You can create folders, edit files with firefox scratchpad or preview – in browser tab.
Shows a notification when YouTube starts playing a video/song.
uggc protocol No Restart
ROT-13 http:// (uggc://) URLs should just work.
youMP3me - "download" button for Youtube No Restart
Adds a "download" button to Youtube video pages.
The Most Unnecessary Firefox Add-On is a very tiny extension that provides a way to break out of your hard work and get rid of all the stress. Click the bottom right icon, make the cute bird cheep and finally start to smile again. Life is not work.
Useful toolbar buttons
BONUS: move 'Web Developer' menu to the main menu bar
Quickly add a Google Calendar event for a Speek conference call. Visit Speek.com to get super simple conference calls.
Gmail mail notification No Restart
Простой оповеститель о новых письмах с вашего Gmail аккаунта.
Next No Restart
Save links in your Next queue with a right click, and view your Next queue with the toolbar button.
I recommend using the Next queue for things you intend to get to within the day or week.
An add-on to do multiple search engine searches with one click.
This add-on will help to reduce time searching by allowing multiple search engines to be queried by the same time and opening the results in new tabs, also has highlight text feature.