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
  • Simple Tab Groups

    Simple Tab Groups

    Create, modify, and quickly change tab groups

    91,809 users

  • PocketTube: Youtube Subscription Manager

    PocketTube: Youtube Subscription Manager

    The best way to group your subscriptions Using this simple extension you can create collections that seamlessly fit into YouTube's layout.

    19,837 users

  • Easy Youtube Video Downloader Express

    Easy Youtube Video Downloader Express

    A simple extension for superfast and easy YouTube downloads in FLV, 3GP, MP3, MP4, 720p, and 1080p formats.

    576,533 users

  • uBlock Origin

    uBlock Origin

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

    7,916,346 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.

    68,201 users

  • Privacy Badger

    Privacy Badger

    Automatically learns to block invisible trackers.

    1,227,655 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

    452,702 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.

    261,350 users

Trending extensions
  • automaticDark - Time-Based Theme Changer

    automaticDark - Time-Based Theme Changer

    Automatically change Firefox's theme based on the time.

    18,957 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!)

    52,150 users

  • Simple Tab Groups

    Simple Tab Groups

    Create, modify, and quickly change tab groups

    91,809 users

  • Search by Image

    Search by Image

    A powerful reverse image search tool, with support for various search engines, such as Google, Bing, Yandex, Baidu and TinEye.

    349,580 users