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Extensions

Explore powerful tools and features to customize Firefox and make the browser all your own.

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Recommended extensions
  • Simple Tab Groups

    Simple Tab Groups

    Create, modify, and quickly change tab groups

    101,685 users

  • SoundFixer

    SoundFixer

    Helps you fix annoying sound problems on sites like YouTube: audio in one channel only, too quiet or too loud. (Unfortunately, this extension does not work on all websites because of cross-domain issues — but it does work on YouTube!)

    45,976 users

  • ClearURLs

    ClearURLs

    Removes tracking elements from URLs

    539,099 users

  • Custom Scrollbars

    Custom Scrollbars

    Give Firefox a personal touch with customized scrollbars!

    21,634 users

Top rated extensions
  • SponsorBlock - Skip Sponsorships on YouTube

    SponsorBlock - Skip Sponsorships on YouTube

    Easily skip YouTube video sponsors. When you visit a YouTube video, the extension will check the database for reported sponsors and automatically skip known sponsors. You can also report sponsors in videos. Other browsers: https://sponsor.ajay.app

    618,689 users

  • Privacy Badger

    Privacy Badger

    Automatically learns to block invisible trackers.

    1,873,225 users

  • 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.

    111,736 users

  • uBlock Origin

    uBlock Origin

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

    9,575,897 users

Trending extensions
  • Port Authority

    Port Authority

    Blocks malicious websites from port-scanning your computer/network and dynamically blocks all LexisNexis endpoints from running their invasive data collection scripts.

    2,894 users

  • Adaptive Tab Bar Color

    Adaptive Tab Bar Color

    Changes the color of Firefox theme to match the website’s appearance.

    35,408 users

  • Tabby - Window & Tab Manager

    Tabby - Window & Tab Manager

    Tabby helps you manage a lot of windows and tabs easily; it can help you open, close, move, pin, and do many other things on tabs and windows quickly. With Tabby, you can even save all you windows and tabs for later with just one click!

    22,158 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.

    43,286 users