Blocks annoying video ads on YouTube, Facebook ads, banners and much more.
Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).
The first and only download manager/accelerator built inside Firefox!
The best security you can get in a web browser!
Allow active content to run only from sites you trust, and protect yourself against XSS and Clickjacking attacks.
FoxyProxy is an advanced proxy management tool that completely replaces Firefox's limited proxying capabilities. For a simpler tool and less advanced configuration options, please use FoxyProxy Basic.
This extension allows you to export your saved passwords and disabled login hosts using XML or CSV files that can be imported later.
We’re sorry to say we can’t maintain Skipscreen anymore. We’d love to see someone carry on with it. If you’d like to buy Skipscreen, or otherwise find it a good home, please contact us at email@example.com.
Defragments your Firefox "Places" database (history/bookmarks)
This greatly reduces the lag while typing in the address bar and the start-up time.
This extension features configurable automatic cleaning, periodic reminder, and internationalization.
Automatically get the lowest price when you shop online or search for flights. InvisibleHand shows a discreet notification when a better price is available on a product or flight you're shopping for. Covers over 580 retailers in the US, UK & Germany.
This add-on replaces the standard download text of Firefox 3.* with some more detailed information. It displays the total download speed, the remaining size, the total number of files and the remaining time of your downloads (including DownThemAll!).
Allows you to hide almost anything via context menu 'Remove Object'.
Collections are groups of related add-ons that anyone can create and share.Explore Collections