To use Android extensions, you'll need Firefox for Android. To explore Firefox for desktop add-ons, please visit our desktop site.

Firefox for Android extensions

Personalize Firefox for Android with powerful extensions.

Recommended extensions
  • uBlock Origin

    uBlock Origin

    Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.

    10,558,957 users

  • Notefox: websites notes

    Notefox: websites notes

    Take notes on every website in a smart and simple way!

    12,454 users

  • Google Search Fixer

    Google Search Fixer

    Override the user-agent string presented to Google Search pages to receive the search experience shown to Chrome.

    97,300 users

  • SponsorBlock - Skip Sponsorships on YouTube

    SponsorBlock - Skip Sponsorships on YouTube

    Easily skip YouTube video sponsors. When you visit a YouTube video, the extension will check the database for reported sponsors and automatically skip known sponsors. You can also report sponsors in videos. Other browsers: https://sponsor.ajay.app

    738,593 users

Explore all Android extensions
  • uBlock

    uBlock

    It's the same uBlock, but in a lite version. Use much less CPU and memory.

  • Claude in Sidebar

    Claude in Sidebar

    Ask any question about the page you visit with Claude AI in the sidebar.

  • Claude

    Claude

    Upgrade your default search engine to Claude AI.

    847 users

  • YouTube Download

    YouTube Download

    Download YouTube videos with just one click.

  • YouTube

    YouTube

    Download YouTube video, fast and reliable. HD supported.

    912 users

  • YouTube Shorts Blocker

    YouTube Shorts Blocker

    Blocks YouTube Shorts from showing up on youtube.com

    403 users

  • ChatGPT in Sidebar

    ChatGPT in Sidebar

    ChatGPT in the sidebar: Ask any question about the page you visit.

    382 users

  • All Media Downloader

    All Media Downloader

    Detect and download media files (audio/video) on the current page.

    744 users