Extensions

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

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Recommended extensions
  • Forget Me Not - Forget cookies & other data

    Forget Me Not - Forget cookies & other data

    Make the browser forget website data (like cookies, local storage, etc.), except for the data you want to keep by adding domains to a whitelist, graylist, blacklist, or redlist.

    15,416 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.

    15,943 users

  • Default Bookmark Folder

    Default Bookmark Folder

    Allows you to choose the default bookmark location folder and quickly bookmark pages via a dedicated icon.

    29,729 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!)

    20,921 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.

    252,567 users

  • Bitwarden - Free Password Manager

    Bitwarden - Free Password Manager

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

    178,368 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.

    34,669 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!

    13,858 users

Trending extensions
  • Tranquility Reader

    Tranquility Reader

    Tranquility Reader improves the readability of web articles by removing unnecessary elements like ads, images, social sharing widgets, and other distracting fluff.

    13,348 users

  • LASER CAT

    LASER CAT

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

    6,229 users

  • Forecastfox (fix version)

    Forecastfox (fix version)

    Get international weather updates (via AccuWeather.com) displayed right in Firefox with this highly customizable extension.

    43,069 users

  • ClearURLs

    ClearURLs

    Remove tracking elements from URLs.

    16,063 users