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

Extensions

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

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Recommended extensions
  • GIPHY for Firefox

    GIPHY for Firefox

    Bring the power of a GIF search engine anywhere on the web. Respond to emails, tweets and more with GIFs quickly and easily. Add GIPHY GIFs to your Gmail, Facebook, Twitter and more. Just search, drag and drop or right click!

    7,739 users

  • Feedbro - RSS Feed Reader

    Feedbro - RSS Feed Reader

    Advanced Feed Reader - Read news, blogs, social media or any RSS/Atom/RDF source.

    48,057 users

  • Block Site

    Block Site

    A customizable, password-protected website blocker and redirector.

    72,989 users

  • Gesturefy

    Gesturefy

    Navigate, operate, and browse faster with mouse gestures! A customizable mouse gesture add-on with a variety of different commands.

    98,995 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.

    69,635 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

    448,261 users

  • Privacy Badger

    Privacy Badger

    Automatically learns to block invisible trackers.

    1,236,263 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.

    266,332 users

Trending extensions
  • automaticDark - Time-Based Theme Changer

    automaticDark - Time-Based Theme Changer

    Automatically change Firefox's theme based on the time.

    9,322 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!)

    37,981 users

  • Simple Tab Groups

    Simple Tab Groups

    Create, modify, and quickly change tab groups

    84,006 users

  • Clippings

    Clippings

    Save frequently-entered text for pasting later.

    14,704 users