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
  • FoxClocks

    FoxClocks

    FoxClocks shows times around the world - or just your local time - at the bottom of your browser. It deals with daylight saving time so you don't have to.

    10,853 users

  • Clear Cache

    Clear Cache

    Clear browser cache with a single click or via the F9 key. F9 Fever! ;)

    58,655 users

  • Tree Style Tab

    Tree Style Tab

    Show tabs like a tree.

    185,547 users

  • SteamDB

    SteamDB

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

    74,612 users

Top rated extensions
  • SteamDB

    SteamDB

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

    74,612 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

    635,485 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.

    101,769 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.

    1,786,782 users

Trending extensions
  • Audio Equalizer

    Audio Equalizer

    Stylish audio equalizer in toolbar popup.

    60,339 users

  • ClearURLs

    ClearURLs

    Removes tracking elements from URLs

    529,019 users

  • Tab Session Manager

    Tab Session Manager

    Save and restore the state of windows and tabs. It also supports automatic saving and cloud sync.

    148,887 users

  • Port Authority

    Port Authority

    Blocks malicious websites from port-scanning your computer/network and dynamically blocks all LexisNexis endpoints from running their invasive data collection scripts.

    11,111 users