Extensions

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

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Recommended extensions
  • Dark Background and Light Text

    Dark Background and Light Text

    Make every web page (or just the pages you want) display light text on dark backgrounds. All color variations are fully customizable.

    80,407 users

  • Copy PlainText

    Copy PlainText

    Copy Plain Text without any formatting

    21,971 users

  • Audio Equalizer

    Audio Equalizer

    Stylish audio equalizer in toolbar popup.

    19,261 users

  • AdBlocker for YouTube™

    AdBlocker for YouTube™

    Remove all annoying ads from YouTube.

    356,014 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.

    284,417 users

  • Bitwarden - Free Password Manager

    Bitwarden - Free Password Manager

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

    214,345 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!

    15,879 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.

    38,362 users

Trending extensions
  • Metastream Remote

    Metastream Remote

    Watch streaming media with friends.

    12,416 users

  • SingleFile | Save a page as a single HTML file

    SingleFile | Save a page as a single HTML file

    Save a complete page (with stylesheets, images, etc.) as a single HTML file

    45,759 users

  • 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.

    55,477 users

  • Facebook Container

    Facebook Container

    Prevent Facebook from tracking you around the web. The Facebook Container extension for Firefox helps you take control and isolate your web activity from Facebook.

    2,032,833 users