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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
Tuilleadh Eolais
Media enhancers for Firefox
Media enhancers for Firefox
Explore extensions
Recommended extensions
  • Dark Background and Light Text

    Dark Background and Light Text

    Make every web page (or just the pages you want) display light text on dark backgrounds. All color variations are fully customizable.

    80,408 úsáideoir

  • Copy PlainText

    Copy PlainText

    Copy Plain Text without any formatting

    22,271 úsáideoir

  • Audio Equalizer

    Audio Equalizer

    Stylish audio equalizer in toolbar popup.

    19,365 úsáideoir

  • AdBlocker for YouTube™

    AdBlocker for YouTube™

    Remove all annoying ads from YouTube.

    358,680 úsáideoir

Popular themes
Enhanced privacy extensions
  • Facebook Container

    Facebook Container

    Ná lig do Facebook tú a rianú ar fud an ghréasáin. Cabhraíonn an breisiú Facebook Container le Firefox leat dul i gceannas ar do ghníomhaíocht gréasáin agus é a scaradh amach ó Facebook.

    2,049,928 úsáideoir

  • Ghostery – Privacy Ad Blocker

    Ghostery – Privacy Ad Blocker

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

    1,596,659 úsáideoir

  • Privacy Badger

    Privacy Badger

    Automatically learns to block invisible trackers.

    1,273,227 úsáideoir

  • Decentraleyes

    Decentraleyes

    Protects you against tracking through "free", centralized, content delivery. It prevents a lot of requests from reaching networks like Google Hosted Libraries, and serves local files to keep sites from breaking. Complements regular content blockers.

    286,354 úsáideoir

Popular extensions
  • uBlock Origin

    uBlock Origin

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

    5,859,706 úsáideoir

  • Video DownloadHelper

    Video DownloadHelper

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

    3,071,286 úsáideoir

  • Facebook Container

    Facebook Container

    Ná lig do Facebook tú a rianú ar fud an ghréasáin. Cabhraíonn an breisiú Facebook Container le Firefox leat dul i gceannas ar do ghníomhaíocht gréasáin agus é a scaradh amach ó Facebook.

    2,049,928 úsáideoir

  • 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.

    1,838,951 úsáideoir

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.

    1,094,326 úsáideoir

  • Bitwarden - Free Password Manager

    Bitwarden - Free Password Manager

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

    216,800 úsáideoir

  • 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

    97,081 úsáideoir

  • MYKI Password Manager & Authenticator

    MYKI Password Manager & Authenticator

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

    3,867 úsáideoir