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Audio Equalizer

Adjust browser audio settings with extreme clarity.
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Extensions are like apps for Firefox.

They add features to Firefox to make browsing faster, safer, or just plain fun.
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Tab organizers and tools
Tab organizers and tools
Explore extensions
Privacy beyond browser extensions
Privacy beyond browser extensions
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Media enhancers for Firefox
Media enhancers for Firefox
Explore extensions
Recommended extensions
  • Easy Youtube Video Downloader Express

    Easy Youtube Video Downloader Express

    A simple extension for superfast and easy YouTube downloads in FLV, 3GP, MP3, MP4, 720p, and 1080p formats.

    642,500 users

  • AdGuard AdBlocker

    AdGuard AdBlocker

    Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.

    480,754 users

  • Turn Off the Lights for Firefox

    Turn Off the Lights for Firefox

    The entire page will be fading to dark, so you can watch the videos as if you were in the cinema. Works for YouTube and Beyond. Dark mode for all websites. It works for all known video sites such as YouTube, Vimeo, Twitch, Dailymotion, Facebook, etc.

    34,715 users

  • Imagus

    Imagus

    With a simple mouse-over you can enlarge images and display images/videos from links.

    62,465 users

Popular themes
Enhanced privacy extensions
  • 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.

    1,956,956 users

  • Privacy Badger

    Privacy Badger

    Automatically learns to block invisible trackers.

    1,024,769 users

  • Ghostery – Privacy Ad Blocker

    Ghostery – Privacy Ad Blocker

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

    1,219,692 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.

    1,464,567 users

Popular extensions
  • uBlock Origin

    uBlock Origin

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

    5,077,328 users

  • Video DownloadHelper

    Video DownloadHelper

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

    2,259,202 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.

    1,464,567 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.

    1,347,534 users

Recommended themes
Recommended password managers
  • Bitwarden - Free Password Manager

    Bitwarden - Free Password Manager

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

    265,566 users

  • 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.

    905,156 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

    75,729 users

  • MYKI Password Manager & Authenticator

    MYKI Password Manager & Authenticator

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

    4,311 users