Extensions

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

Explore all categories

Featured extensions

Midnight Lizard
This extension changes page colors, brightness and contrast to increase readability and brings dark night mode to all websites.
Rated 4.5 out of 5
Pavel Agarkov
1,409 users
Blur
Protect your Passwords, Payments, and Privacy.
Rated 3.7 out of 5
Abine, Inc., the online privacy company
55,212 users
Social Fixer
Social Fixer for Facebook fixes annoyances, adds features, and enhances existing functionality to make FB more fun and efficient. Filter the news feed, hide sponsored posts and political posts, hide parts of the page you don't want to see, and more!
Rated 4.6 out of 5
MattKruse
15,032 users
Grammarly for Firefox
Grammarly will help you communicate more effectively. As you type, Grammarly flags mistakes and helps you make sure your messages, documents, and social media posts are clear, mistake-free, and impactful.
Rated 3.8 out of 5
Grammarly
664,996 users

Top rated extensions

Trending extensions