Extensions

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

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Recommended extensions
  • SoundFixer

    SoundFixer

    Lets you fix annoying sound problems in YouTube videos and such. Like audio in one channel only, too quiet or too loud. (Unfortunately, doesn't work on many other websites because of cross-domain issues — but it does work on YouTube.com!)

    18,990 users

  • Tree Style Tab

    Tree Style Tab

    Show tabs like a tree.

    168,554 users

  • Gesturefy

    Gesturefy

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

    126,104 users

  • Privacy Badger

    Privacy Badger

    Automatically learns to block invisible trackers.

    804,680 users

Top rated extensions
  • 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.

    223,410 users

  • Bitwarden - Free Password Manager

    Bitwarden - Free Password Manager

    A secure and free password manager for all of your devices.

    148,421 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.

    31,372 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!

    13,761 users

Trending extensions
  • LASER CAT

    LASER CAT

    This is probably a laser cat add-on so you can shoot laser cat lasers at things.

    4,981 users

  • Link Gopher

    Link Gopher

    Extracts all links from web page, sorts them, removes duplicates, and displays them in a new tab for inspection or copy and paste into other systems.

    15,363 users

  • Dark Reader

    Dark Reader

    Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.

    292,512 users

  • Image Search Options

    Image Search Options

    Image Search Options provides a set of highly customizable reverse image search context menu options.

    69,126 users