Explore powerful tools and features to customize Firefox and make the browser all your own.
Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.
27 686 users
A customizable reverse image search tool that conveniently presents a variety of top image search engines.
55 100 users
Create, modify, and quickly change tab groups
20 159 users
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
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
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.
137 966 users
A secure and free password manager for all of your devices.
168 968 users
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
Read out loud the current web-page article with one click. Supports 40+ languages.
42 379 users
19 041 users
Save frequently-entered text for pasting later.
16 468 users
Remove tracking elements from URLs.
18 247 users