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Firefox for Android extensions

Personalize Firefox for Android with powerful extensions.

Recommended extensions
  • Video Background Play Fix

    Video Background Play Fix

    Some sites may not work with Firefox for Android video background play feature. This add-on provides a quick fix by blocking the Page Visibility API and the Fullscreen API.

    JanH

    218,286 users

  • 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.

    Baris Derin

    158,434 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.

    Stylus Team

    128,703 users

  • Dark Reader

    Dark Reader

    Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.

    Dark Reader Ltd

    1,273,638 users

Explore all Android extensions
  • streamverlay

    streamverlay

    Camada de vídeo sincronizada sobre o player da Kick. Não altera o player nem o stream da Kick.

    kayoelias

  • Volume Booster

    Volume Booster

    Boost audio volume on any website beyond normal limits and fix annoying sound problems on YouTube, Steam and more. Volume booster, sound control, audio enhancer, tab volume mixer.

    Volume and Sound Boost

    278 users

  • Claude in Sidebar

    Claude in Sidebar

    Chat with Claude AI directly in your browser sidebar. Summarize articles, explain code, translate pages, and get instant answers without switching tabs.

    Jadon Mason

    86 users

  • AO3 Advanced Marker

    AO3 Advanced Marker

    Tired of losing your place on Archive of Our Own? AO3 Advanced Marker solves the reading chaos by letting you visually track, filter, and sync your progress across all your devices. Turn long lists of works into a clear, organized library!

    leehsuus

    800 users

  • Youtube

    Youtube

    Download YouTube videos in full 1080p HD or extract MP3 audio with a single click. Fast, free YouTube video downloader and YouTube to MP3 converter for high-quality downloads.

    Youtube Download

    2,535 users

  • YT Premium

    YT Premium

    Youtube adblock and Premium features for free

    TromoSM

    280 users

  • Telegram Download

    Telegram Download

    Download Telegram media with ease. Save pictures, videos, voice messages and files directly from Telegram Web. Bulk download, zip support, media preview and more.

    Telegram

    348 users

  • YouTube HD

    YouTube HD

    Automatically play YouTube videos in HD quality. YouTube HD player, auto HD, 1080p, 4K, video quality changer, player resize, auto mute, theater mode.

    Turtle

    205 users