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).
Color tools for web development.
Color picker and eyedropper + saving colors and trying out colors with drag and drop.
Help make Firefox better. The Add-on Compatibility Reporter enables you to report if the Firefox add-ons that you're using are working properly.
Collections are groups of related add-ons that anyone can create and share.Explore Collections