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Most Popular Extensions
Coursera Autoplay No Restart
Auto skip in-video quizes and continue to the next video when current video ends.
PasteAndGo No Restart
Adds a PasteAndGo-button
Symple ID No Restart
Symple ID - Just TAP to sign in! Symple ID brings “tap-to-pay” simplicity to securely solve the problem of passwords.
ordily No Restart
Organize Your Internet With Ease
Screen-sharing extension for xplorify.net No Restart
This firefox extension is developed for http://tokbox.com/. It doesn't do anything except capturing content of your screen.
Firefox-on-OS-X Label No Restart
Add a text label* to your Firefox icons in OS X
*To set or edit your label, go to the Add-on's preferences (press Shift-Command-a)
Spin my Imgur No Restart
Tired of the imgur's loading gif? Now you can if you want change this one by the one you want!
LucidBot Web Addon No Restart
LucidBot Web Addon
Watch Later No Restart
An addon that reminds you to visit webpages!
FireKnockout No Restart
Small extension to Firebug which adds an option to inspect the current Knockout context to the Firebug context menu on DOM elements.
Inserts editing tools into Stylish Editor header.
Funny Videos No Restart
Override the new tab page with Funny Videos new tab page.
Squid Thing No Restart
Provides convenient access to Squid Ring stage rotations くコ:彡
Look up a term in the dictionary in the sidebar by pressing Alt [. It reduces tenses and plurals to dictionary forms and corrects spelling. Translation to/from French, Spanish, German, Dutch, Portuguese.
Provides a history of visited tabs...
Preview your messages with a single click. Adds AJAX support to the classic Yahoo! mail.
Adds a quiz toolbar for quiz addicts. Thousands of questions produced on the toolbar, One every 10 minutes...
domainFinder firefox extension...
Mozteroids is a variant of the computer game classic...