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Extensions are like apps for Firefox.

They add features to Firefox to make browsing faster, safer, or just plain fun.
See all extensions
Tab organizers and tools
Tab organizers and tools
Explore extensions
Privacy beyond browser extensions
Privacy beyond browser extensions
Meer inligting
Media enhancers for Firefox
Media enhancers for Firefox
Explore extensions
Recommended extensions
  • Privacy Possum

    Privacy Possum

    Privacy Possum monkey wrenches common commercial tracking methods by reducing and falsifying the data gathered by tracking companies.

    97 424 users

  • Speed Dial [FVD] New Tab Page, 3D Start Page, Sync

    Speed Dial [FVD] New Tab Page, 3D Start Page, Sync

    ★ Most popular ★ ★ 5000+ five star reviews! ★ Why Speed Dial? 1) Get quick access to your Favorite and most Visited websites 2) Beautiful 3D layout 3) Synchronization and local file backup 4) Organize sites by group 5) Tons of cust

    78 226 users

  • MYKI Password Manager & Authenticator

    MYKI Password Manager & Authenticator

    Offline P2P encrypted password manager & authenticator. Auto-fill Two-Factor Authentication (2FA) tokens.

    3 517 users

  • Enhancer for YouTube™

    Enhancer for YouTube™

    Tons of features to improve your user experience on YouTube™.

    698 057 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.

    1 110 453 users

  • Facebook Container

    Facebook Container

    Prevent Facebook from tracking you around the web. The Facebook Container extension for Firefox helps you take control and isolate your web activity from Facebook.

    2 097 972 users

  • Privacy Badger

    Privacy Badger

    Automatically learns to block invisible trackers.

    950 704 users

  • DuckDuckGo Privacy Essentials

    DuckDuckGo Privacy Essentials

    Privacy, simplified. Our add-on provides the privacy essentials you need to seamlessly take control of your personal information, no matter where the internet takes you: tracker blocking, smarter encryption, DuckDuckGo private search, and more.

    1 279 902 users

Popular extensions
  • uBlock Origin

    uBlock Origin

    Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.

    4 836 072 users

  • Video DownloadHelper

    Video DownloadHelper

    The easy way to download and convert Web videos from hundreds of YouTube-like sites.

    2 340 775 users

  • DuckDuckGo Privacy Essentials

    DuckDuckGo Privacy Essentials

    Privacy, simplified. Our add-on provides the privacy essentials you need to seamlessly take control of your personal information, no matter where the internet takes you: tracker blocking, smarter encryption, DuckDuckGo private search, and more.

    1 279 902 users

  • AdBlocker Ultimate

    AdBlocker Ultimate

    Completely remove ALL ads. No “acceptable” ads or whitelisted advertisers allowed. This free extensions also helps block trackers and malware.

    1 114 334 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.

    919 805 users

  • Bitwarden - Free Password Manager

    Bitwarden - Free Password Manager

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

    194 553 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

    77 213 users

  • MYKI Password Manager & Authenticator

    MYKI Password Manager & Authenticator

    Offline P2P encrypted password manager & authenticator. Auto-fill Two-Factor Authentication (2FA) tokens.

    3 517 users