Extensions are like apps for your browser.

They add features to Firefox to make browsing faster, smarter, or just plain fun.

Recommended extensions
  • YouTube Video and Audio Downloader (WebEx)

    YouTube Video and Audio Downloader (WebEx)

    Download YouTube videos in all available formats and extract the original audio files

    185 302 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.

    135 300 users

  • Youtube Audio

    Youtube Audio

    Stream just the audio from YouTube to save bandwidth and battery life

    10 768 users

  • Cookie Quick Manager

    Cookie Quick Manager

    An addon to manage cookies (view, search, create, edit, remove, backup, restore, protect from deletion and much more). Firefox 57+ is supported.

    45 223 users

Popular themes
Enhanced privacy extensions
  • Ghostery – Privacy Ad Blocker

    Ghostery – Privacy Ad Blocker

    Ghostery is a powerful privacy extension. Block ads, stop trackers and speed up websites.

    1 466 743 users

  • Privacy Badger

    Privacy Badger

    Automatically learns to block invisible trackers.

    890 670 users

  • Decentraleyes

    Decentraleyes

    Kaitseb sind "tasuta", tsentraliseeritud sisu edastamisest tuleneva jälitamise vastu. Keelab taotlused võrgustikesse nagu Google Hosted Libraries, asendades need kohalike failidega, et saidid jätkuvalt töötaksid. Täiendab tavalisi sisublokeerijaid.

    252 103 users

  • Facebook Container

    Facebook Container

    Ärge laske Facebookil teid veebis jälgida. Firefoxi laiendus Facebook Container aitab teil olla olukorra peremees ja isoleerib teie veebitegevused Facebookist.

    988 394 users

Popular extensions
  • uBlock Origin

    uBlock Origin

    Finally, an efficient blocker. Easy on CPU and memory.

    5 487 541 users

  • 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.

    1 680 415 users

  • Ghostery – Privacy Ad Blocker

    Ghostery – Privacy Ad Blocker

    Ghostery is a powerful privacy extension. Block ads, stop trackers and speed up websites.

    1 466 743 users

  • Privacy Badger

    Privacy Badger

    Automatically learns to block invisible trackers.

    890 670 users

Recommended themes
Recommended password managers
  • LastPass Password Manager

    LastPass Password Manager

    LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.

    985 927 users

  • Bitwarden - Free Password Manager

    Bitwarden - Free Password Manager

    A secure and free password manager for all of your devices.

    176 775 users

  • RoboForm Password Manager

    RoboForm Password Manager

    RoboForm, the #1 ranked Password Manager makes your life easier by remembering passwords and logging you into websites automatically

    93 404 users

  • 1Password X – Password Manager

    1Password X – Password Manager

    The best way to experience 1Password in your browser. Easily sign in to sites, generate passwords, and store secure information, including logins, credit cards, notes, and more.

    76 870 users