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.

    160,832 users

  • Stylus

    Stylus

    Redesign your favorite websites with Stylus, an actively developed and community driven userstyles manager. Easily install custom themes from popular online repositories, or create, edit, and manage your own personalized CSS stylesheets.

    133,897 users

  • Web Archives

    Web Archives

    View archived and cached versions of web pages on various search engines, such as the Wayback Machine and Archive․is.

    68,171 users

  • Sink It for Reddit

    Sink It for Reddit

    Upgrade your Reddit experience with color coded comments, easier nav, sub-reddit blocking, gestures for upvoting, ad+nag blocking, and more. It's like RES, for mobile!

    21,768 users

Explore all Android extensions
  • Cookie Editor

    Cookie Editor

    Edit, search, import, and delete cookies for the current tab. Simple cookie manager for testing, privacy cleanup, and local cookie export.

  • Free VPN HideMy

    Free VPN HideMy

    Unblock the sites with HideMy

  • إضافة أبو حفصة

    إضافة أبو حفصة

    حمّل الجدول كامل (كل الصفحات) من بوابة بيانات التلميذ في ملف بضغطة واحدة — إضافة أبو حفصة.

  • Proton Proxy Access - access to Proton

    Proton Proxy Access - access to Proton

    Access to Proton Mail, Proton Drive and Proton Pass in your country

  • RuTracker Proxy

    RuTracker Proxy

    Получите доступ к RuTracker.org

  • الراصد السريع - Fast Grader

    الراصد السريع - Fast Grader

    أداة سحرية للمعلمين لرصد الدرجات تلقائياً في البوابة التعليمية بضغطة زر واحدة. انسخ من الإكسل، واترك الباقي للراصد!أداة الرصد التلقائي للدرجات

    114 users

  • Pix Companion

    Pix Companion

    Browser extension for Pix

    45,344 users

  • MarsConnect

    MarsConnect

    MarsConnect helps you temporarily connect data between different browser clients and provides refined control.

    99 users