Extensions are like apps for your browser.

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

Recommended extensions
  • LeechBlock NG

    LeechBlock NG

    LeechBlock NG is a simple productivity tool designed to block those time-wasting sites that can suck the life out of your working day. All you need to do is specify which sites to block and when to block them.

    26.535 users

  • Stylus

    Stylus

    Redesign your favorite websites with Stylus, an actively developed and community driven userstyles manager. Easily install custom themes from popular online repositories, or create, edit, and manage your own personalized CSS stylesheets.

    70.234 users

  • Private Bookmarks

    Private Bookmarks

    Enables a password-protected bookmark folder.

    9.367 users

  • Privacy Badger

    Privacy Badger

    Automatically learns to block invisible trackers.

    548.237 users

Popular themes
Enhanced privacy extensions
  • Privacy Badger

    Privacy Badger

    Automatically learns to block invisible trackers.

    548.237 users

  • 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.

    180.681 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.

    606.728 users

  • Firefox Multi-Account Containers

    Firefox Multi-Account Containers

    Firefox Multi-Account Containers lets you keep parts of your online life separated into color-coded tabs that preserve your privacy. Cookies are separated by container, allowing you to use the web with multiple identities or accounts simultaneously.

    195.589 users

Popular extensions
  • uBlock Origin

    uBlock Origin

    Behingoz, blokeatzaile eraginkor bat. PUZ eta memorian arina.

    4.680.476 users

  • Video DownloadHelper

    Video DownloadHelper

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

    2.644.383 users

  • NoScript Security Suite

    NoScript Security Suite

    The best security you can get in a web browser! Allow active content to run only from sites you trust, and protect yourself against XSS other web security exploits. Disabled and can't reinstall? https://tinyurl.com/moz-ext-cert

    1.517.485 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.

    606.728 users

Recommended themes