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
  • YouTube High Definition

    YouTube High Definition

    YouTube High Definition is a powerful tool that automatically plays all YouTube videos in HD, changes video player size, offers auto-stop and mute, and much more.

    157,451 users

  • Search by Image

    Search by Image

    A powerful reverse image search tool, with support for various search engines, such as Google, Bing, Yandex, Baidu and TinEye.

    434,860 users

  • SingleFile

    SingleFile

    Save an entire web page—including images and styling—as a single HTML file.

    83,452 users

  • ClearURLs

    ClearURLs

    Removes tracking elements from URLs

    534,893 users

Explore all Android extensions
  • Gemini

    Gemini

    Ask Gemini anything, from the address bar! Type your questions or select any text on a webpage to instantly summarize and explore with AI-powered insights.

  • Google Translate

    Google Translate

    Translate selected text inside a webpage with Google Translate.

  • ChatGPT

    ChatGPT

    Set ChatGPT as your default Firefox search engine; Send address-bar queries directly to ChatGPT.

  • Ecosia

    Ecosia

    Set Ecosia as the default search engine.

  • DuckDuckGo

    DuckDuckGo

    🔍 Set DuckDuckGo as My Default Search Engine

  • YouTube Download

    YouTube Download

    Download YouTube videos with just one click.

    1,111 users

  • Claude in Sidebar

    Claude in Sidebar

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

    1,371 users

  • Gemini AI Search

    Gemini AI Search

    Ask Google Gemini directly from address bar. Select contents on page and ask Google Gemini to summarize.