To try the thousands of add-ons available here, download Mozilla Firefox, a fast, free way to surf the Web!
CloseWelcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.
CloseLearn All About Add-ons
Add-ons let millions of Firefox users enhance and customize their browsing experience. If you're a Web developer and know HTML, JavaScript, and CSS, you already have all the necessary skills to make a great add-on.
Head over to the Mozilla Developer Network to learn everything you need to know to get started.
To create your own collections, you must have a Mozilla Add-ons account.
