To use these add-ons, you'll need to download Firefox.

Extensions

Explore powerful tools and features to customize Firefox and make the browser all your own.

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Recommended extensions
  • Dark Reader

    Dark Reader

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

    1,274,665 users

  • 'Improve YouTube!'  🎧 (For YouTube & Video)

    'Improve YouTube!' 🎧 (For YouTube & Video)

    Youtube Extension. Powerful but lightweight. Enrich your Youtube and content selection. Make YouTube tidy and smart! (Layout, Filters, Shortcuts, Playlist)

    108,162 users

  • AdBlocker for YouTube™

    AdBlocker for YouTube™

    Remove all annoying ads from YouTube.

    433,875 users

  • BetterTTV

    BetterTTV

    Enhances Twitch and YouTube with new features, emotes, and more.

    500,445 users

Top rated extensions
  • SteamDB

    SteamDB

    Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.

    85,094 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.

    109,682 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

    679,642 users

  • Yomitan

    Yomitan

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

    26,660 users

Trending extensions
  • Time Tracker - Web Habit Builder

    Time Tracker - Web Habit Builder

    Track time, analyze your habits and block addictive sites

    657 users

  • PhotoShow

    PhotoShow

    Hover to zoom and view high-definition images. Instantly enlarge visuals, crafted for all your favorite websites—and for you.

    9,117 users

  • Chrome Mask

    Chrome Mask

    Makes Firefox wear a mask to look like Chrome to websites that block Firefox otherwise.

    36,042 users

  • Immersive Translate - Translate Website & PDF

    Immersive Translate - Translate Website & PDF

    Free Translate Website, Translate PDF & Epub eBook, Translate Video Subtitles in Bilingual

    73,568 users