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.

    13,428 users

  • Midnight Lizard

    Midnight Lizard

    Custom color schemes for all websites: night mode, dark themes, blue light filter, screen shader, high contrast, grayscale, etc.

    5,815 users

  • Firefox Color

    Firefox Color

    Build, save and share beautiful Firefox themes.

    47,097 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

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

  • Firefox Color

    Firefox Color

    Build, save and share beautiful Firefox themes.

    47,097 users