Prispôsobte si Firefox

Add-ons let millions of Firefox users enhance their browsing experience. If you know HTML, JavaScript, and CSS, you already have all the necessary skills to make a great add-on.

Learn How to Make an Add-on

Port a Chrome Extension

Firefox supports WebExtension APIs, which in most cases are compatible with the extension APIs supported by Chrome, Opera and Edge, so your extensions will run in Firefox with just a few changes.

Ďalšie informácie

Publish Your Add-on

Have an add-on ready? Submit your extension or theme to be listed on or sign and distribute your extension on your own.

Prihlásiť sa

Resources for a successful launch

You've built your extension and are ready to publish it. What comes next? Check out our tips for creating an appealing listing page, getting your extension featured on, finding answers to development questions, and staying up-to-date with news and events relevant to extension developers.

View Resources for Publishers

Najnovšie správy

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  • Web-Ext

    A command line tool to build, run, and test extensions.

  • Overenie doplnku

    Automatické testy kódu vášho doplnku.

  • Testy kompatibility

    Overte si, či je vaše rozšírenie kompatibilné s Firefoxom.

  • Live Testing

    Temporarily install your extension in Firefox for live testing and debugging.