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
  • NoScript Security Suite

    NoScript Security Suite

    The best security you can get in a web browser! Allow potentially malicious web content to run only from sites you trust. Protect yourself against XSS other web security exploits.

    251,413 users

  • Yomitan

    Yomitan

    Powerful and versatile pop-up dictionary for language learning used by 100,000+ language learners.

    38,530 users

  • LeechBlock NG

    LeechBlock NG

    LeechBlock NG is a simple productivity tool designed to block those time-wasting sites that can suck the life out of your working day. All you need to do is specify which sites to block and when to block them.

    112,750 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.

    97,468 users

Explore all Android extensions
  • Google Translate

    Google Translate

    Translate selected text inside a webpage with Google Translate.

  • Gemini AI Search

    Gemini AI Search

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

  • YouTube Download

    YouTube Download

    Download YouTube videos with just one click.

  • 豆包

    豆包

    将豆包设为默认搜索,地址栏快捷提问;右键选中文字即可向豆包提问或生成摘要

  • ChatGPT

    ChatGPT

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

  • 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.

    2,223 users

  • YouTube

    YouTube

    Download YouTube video, fast and reliable. HD supported.

    2,050 users