To try the thousands of add-ons available here, download Mozilla Firefox, a fast, free way to surf the Web!

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Welcome to פיירפוקס Add-ons.

Choose from thousands of extra features and styles to make Firefox your own.

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Check out our Mobile Add-ons site.

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Submit an Add-on

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Learn 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.

Start Making Add-ons