Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
Popup Blocker (strict)
Strictly block all popup requests from any website by default. A notification window is opened to allow you accept, reject, open the popup in background page, or redirect the current page to popup address
74,882 users
Dark Background and Light Text
Make every web page (or just the pages you want) display light text on dark backgrounds. All color variations are fully customizable.
30,179 users
Search by Image
A powerful reverse image search tool, with support for various search engines, such as Google, Bing, Yandex, Baidu and TinEye.
436,051 users
Time Tracker - Web Habit Builder
Track time, analyze your habits and block addictive sites
1,804 users
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
86,035 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.
106,938 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
673,226 users
Privacy Badger
Automatically learns to block hidden trackers. Made by the leading digital rights nonprofit EFF to stop companies from spying on you.
1,791,362 users
Time Tracker - Web Habit Builder
Track time, analyze your habits and block addictive sites
1,804 users
Power Thesaurus
Use the power of synonyms by button in toolbar, right-click or by word selection on any page.
2,010 users
Notefox: websites notes
Take notes on every website in a smart and simple way!
554 users
Show Video Controls for Firefox
Automatically enables video controls when playing html webm videos.
2,291 users