To try the thousands of add-ons available here, download Mozilla Firefox, a fast, free way to surf the Web!Close
Welcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.Close
The Official Christmas Holiday Add-on for Firefox 126.96.36.199-signed.1-signed Requires Restart
If you love the holidays download our new Christmas-themed browser application. This is an add-on to your existing browser, meaning you can surf the web in a familiar environment while adding some holiday cheer to your browsing experience.