Extensions

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

Explore all categories
Recommended extensions
  • Measure-it

    Measure-it

    Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.

    27 686 users

  • Image Search Options

    Image Search Options

    A customizable reverse image search tool that conveniently presents a variety of top image search engines.

    55 100 users

  • Simple Tab Groups

    Simple Tab Groups

    Create, modify, and quickly change tab groups

    20 159 users

  • 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.

    33 038 users

Top rated extensions
  • 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

    19 041 users

  • Decentraleyes

    Decentraleyes

    Kaitseb sind "tasuta", tsentraliseeritud sisu edastamisest tuleneva jälitamise vastu. Keelab taotlused võrgustikesse nagu Google Hosted Libraries, asendades need kohalike failidega, et saidid jätkuvalt töötaksid. Täiendab tavalisi sisublokeerijaid.

    137 966 users

  • Bitwarden - Free Password Manager

    Bitwarden - Free Password Manager

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

    168 968 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.

    27 850 users

Trending extensions
  • Read Aloud: A Text to Speech Voice Reader

    Read Aloud: A Text to Speech Voice Reader

    Read out loud the current web-page article with one click. Supports 40+ languages.

    42 379 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

    19 041 users

  • Clippings

    Clippings

    Save frequently-entered text for pasting later.

    16 468 users

  • ClearURLs

    ClearURLs

    Remove tracking elements from URLs.

    18 247 users