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!
Restyle the web with Stylish, a user styles manager. Stylish lets you easily install themes and skins for Google, Facebook, YouTube, Orkut, and many, many other sites. You can even customize Firefox and other programs themselves.
Scrolls the page smoothly when scrolling the mouse wheel (or keyboard arrows if enabled).
Bypass compulsory web registration with the context menu via www.bugmenot.com.
Screengrab! saves webpages as images... but not for new versions of Firefox.
FF changes too fast and I don't have the time to maintain it anymore. Bugs have developed that I am not in a position to investigate.
Therefore, Screengrab is EOL.
Create free disposable email addresses and paste them directly in forms. This helps to protect you from spam mails and could be useful when subscribing to forums or newsletters...
Note from Mozilla: This add-on has been discontinued. Try Roomy Bookmarks Toolbar instead.
Change your bookmark icons! Right-click a bookmark, and select "Properties", then "Browse" for a new image or paste in a URL.
Hide the Find Bar after a certain interval of inactivity has elapsed.
FavLoc allows you to set folders as "favorite locations" to which you can easily download. FavLoc menus will appear on the File menu (for saving pages), the context menu (for saving images and links), and on the download...
Collections are groups of related add-ons that anyone can create and share.Explore Collections