Extensions are like apps for your browser.

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

Recommended extensions
  • Don't touch my tabs! (rel=noopener)

    Don't touch my tabs! (rel=noopener)

    Prevent tabs opened by a hyperlink from hijacking the previous tab by adding the rel=noopener attribute to all hyperlinks (excluding same-domain hyperlinks).

    13,804 users

  • Dark Reader

    Dark Reader

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

    400,721 users

  • ScrollAnywhere

    ScrollAnywhere

    Scroll page without touching scroll-bar! Press Middle (Right / Left) mouse button anywhere on the page to scroll just like with scrollbar. Features also: - "grab and drag" scrolling - customizable scrollbars! - the Momentum auto-scroll

    10,910 users

  • 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.

    45,446 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.

    1,435,193 users

  • Privacy Badger

    Privacy Badger

    Automatically learns to block invisible trackers.

    967,812 users

  • Decentraleyes

    Decentraleyes

    Protects you against tracking through "free", centralised, 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.

    254,501 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.

    1,009,989 users

Popular extensions
  • uBlock Origin

    uBlock Origin

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

    5,348,780 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.

    1,680,474 users

  • Ghostery – Privacy Ad Blocker

    Ghostery – Privacy Ad Blocker

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

    1,435,193 users

  • Privacy Badger

    Privacy Badger

    Automatically learns to block invisible trackers.

    967,812 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.

    957,681 users

  • Bitwarden - Free Password Manager

    Bitwarden - Free Password Manager

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

    183,077 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.

    76,942 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

    90,474 users