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.
43,066 users
DuckDuckGo Search & Tracker Protection
Actively protects your data in your current browser
1,228,601 users
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
76,252 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
637,948 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.
101,135 users
Privacy Badger
Automatically learns to block hidden trackers. Made by the leading digital rights nonprofit EFF to stop companies from spying on you.
1,781,049 users
Port Authority
Blocks malicious websites from port-scanning your computer/network and dynamically blocks all LexisNexis endpoints from running their invasive data collection scripts.
11,767 users
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
76,252 users
