Choose from thousands of extra features and styles to make Firefox your own.Close
Speed up the development process by using add-ons to troubleshoot, edit, and debug web projects without ever clicking away from Firefox.
Create a safe and fun online experience while planning everything the family does offline with add-ons that keep the family cooking.
Privacy is an essential part of Internet life. Here is a collection of add-ons to help protect your privacy.
Complete Themes transform the look of your browser with styles for the window frame, address bar, buttons, tabs, and menus. New featured complete themes are picked by a community board every quarter!