To use these add-ons, you'll need to download Firefox.

Extensions

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

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Recommended extensions
  • Tomato Clock

    Tomato Clock

    Tomato Clock is a simple browser extension that helps with online time management.

    35,739 users

  • Turn Off the Lights for YouTube™

    Turn Off the Lights for YouTube™

    The entire page will be fading to dark, so you can watch the video as if you were in the cinema.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.

    42,464 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

    15,746 users

  • Audio Equalizer

    Audio Equalizer

    Stylish audio equalizer in toolbar popup.

    37,040 users

Top rated 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.

    68,248 users

  • 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

    442,382 users

  • Privacy Badger

    Privacy Badger

    Automatically learns to block invisible trackers.

    1,212,602 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.

    262,189 users

Trending extensions
  • automaticDark - Time-Based Theme Changer

    automaticDark - Time-Based Theme Changer

    Automatically change Firefox's theme based on the time.

    10,121 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!)

    38,902 users

  • Simple Tab Groups

    Simple Tab Groups

    Create, modify, and quickly change tab groups

    82,372 users

  • Clippings

    Clippings

    Save frequently-entered text for pasting later.

    13,758 users