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).
Note from Mozilla: This add-on has been discontinued. Try Roomy Bookmarks Toolbar instead.
Fission combines address bar and progress bar (Safari style). This makes the progress bar more visible and allows for a nice visual effect.
Collections are groups of related add-ons that anyone can create and share.Explore Collections