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
  • Image Search Options

    Image Search Options

    A customizable reverse image search tool that conveniently presents a variety of top image search engines.

    43,346 users

  • YouTube High Definition

    YouTube High Definition

    YouTube High Definition is a powerful tool that automatically plays all YouTube videos in HD, changes video player size, offers auto-stop and mute, and much more.

    170,433 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.

    126,435 users

  • Cookie AutoDelete

    Cookie AutoDelete

    Control your cookies! This WebExtension is inspired by Self Destructing Cookies. When a tab closes, any cookies not being used are automatically deleted. Keep the ones you trust (forever/until restart) while deleting the rest. Containers Supported

    224,742 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

    591,451 users

  • Privacy Badger

    Privacy Badger

    Automatically learns to block invisible trackers.

    1,731,712 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.

    106,587 users

  • uBlock Origin

    uBlock Origin

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

    9,368,035 users

Trending 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.

    106,587 users

  • Privacy Badger

    Privacy Badger

    Automatically learns to block invisible trackers.

    1,731,712 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.

    126,435 users

  • PopUpOFF

    PopUpOFF

    Removes and prevents popups, overlays and cookie notifications, other tools do not. Enjoy the original look of the internet.

    43,261 users