Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
Undo Close Tab
Allows you to restore the tab you just closed with a single click—plus it can offer a list of recently closed tabs within a convenient context menu.
44,028 users
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
585,579 users
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.
104,358 users
uBlock Origin
Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.
9,249,737 users
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.
104,358 users
Stylus
Redesign your favorite websites with Stylus, an actively developed and community driven userstyles manager. Easily install custom themes from popular online repositories, or create, edit, and manage your own personalized CSS stylesheets.
124,391 users
PopUpOFF
Removes and prevents popups, overlays and cookie notifications, other tools do not. Enjoy the original look of the internet.
42,651 users