Addons.mozilla.org (AMO), is Mozilla's official site for discovering and installing add-ons for the Firefox browser. Add-ons help you modify and personalise your browsing experience by adding new features to Firefox, enhancing your interactions with Web content, and changing the way your browser looks.
The add-ons listed here are created by thousands of developers and theme designers from all over the world, ranging from individual hobbyists to large corporations. Some add-ons listed on AMO have been automatically published and may be subject to review by a team of editors once publicly listed.
Mozilla is a non-profit champion of the Internet, we build Firefox to help keep it healthy, open and accessible. Add-ons support user choice and customisation in Firefox, and you can contribute in the following ways:
If you want to contribute but are not quite as technical, there are still ways to help:
To see more ways you can contribute to the add-on community, please visit our wiki.
If you would like to learn more about how to manage add-ons in Firefox, or need to find general Firefox support, please visit Support Mozilla. If you don't find an answer there, you can ask on our community forum.