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
  • Measure-it

    Measure-it

    Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.

    23,613 users

  • AdBlocker for YouTube™

    AdBlocker for YouTube™

    Remove all annoying ads from YouTube.

    397,429 users

  • Swift Selection Search

    Swift Selection Search

    Swiftly access your search engines in a popup panel when you select text in a webpage. Context menu also included!

    10,600 users

  • Augmented Steam

    Augmented Steam

    Augments your Steam Experience

    60,646 users

Top rated extensions
  • SteamDB

    SteamDB

    Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.

    73,905 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

    629,052 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.

    100,744 users

  • Privacy Badger

    Privacy Badger

    Automatically learns to block hidden trackers. Made by the leading digital rights nonprofit EFF to stop companies from spying on you.

    1,767,084 users

Trending extensions
  • Audio Equalizer

    Audio Equalizer

    Stylish audio equalizer in toolbar popup.

    58,615 users

  • ClearURLs

    ClearURLs

    Removes tracking elements from URLs

    521,169 users

  • BetterTTV

    BetterTTV

    Enhances Twitch and YouTube with new features, emotes, and more.

    488,669 users

  • SteamDB

    SteamDB

    Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.

    73,905 users