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Extensions

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

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Recommended extensions
  • Webmail Ad Blocker

    Webmail Ad Blocker

    Remove advertising clutter from your web-based email. Expand your viewable area by blocking and removing ads on the right-hand side of the screen when using Gmail, Hotmail, Outlook.com and Yahoo Mail.

    29,008 users

  • Metastream Remote

    Metastream Remote

    Watch streaming media with friends.

    22,266 users

  • Download All Images

    Download All Images

    Easily save images with a wide range of customization features, such as file size, dimensions, and image type.

    79,811 users

  • Block Site

    Block Site

    A customizable, password-protected website blocker and redirector.

    63,863 users

Top rated extensions
  • Return YouTube Dislike

    Return YouTube Dislike

    Returns ability to see dislike statistics on youtube

    398,441 users

  • 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.

    259,092 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

    246,075 users

  • Bitwarden - Free Password Manager

    Bitwarden - Free Password Manager

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

    554,214 users

Trending extensions
  • Minimal Theme for Twitter

    Minimal Theme for Twitter

    Declutter and refine the Twitter web experience.

    12,241 users

  • Unhook: Remove YouTube Recommended Videos Comments

    Unhook: Remove YouTube Recommended Videos Comments

    Hide YouTube related videos, comments, video suggestions wall, homepage recommendations, trending tab, and other distractions.

    30,514 users

  • I don't care about cookies

    I don't care about cookies

    Get rid of cookie warnings from almost all websites!

    315,107 users

  • Grammar and Spell Checker - LanguageTool

    Grammar and Spell Checker - LanguageTool

    With this extension you can check text with the free style and grammar checker LanguageTool. It finds many errors that a simple spell checker cannot detect, like mixing up there/their, a/an, or repeating a word.

    239,621 users