Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
Webmail Ad Blocker
Block ads on the right side of the screen when using Gmail, Yahoo Mail, Hotmail and Outlook.com which expand your message space
29,845 users
SingleFile
Save an entire web page—including images and styling—as a single HTML file.
83,599 users
Turbo Download Manager
A download manager with the ability to pause and resume downloads, download remote files, and more.
56,965 users
FoxyProxy Standard
FoxyProxy is an open-source, advanced proxy management tool that completely replaces Firefox's limited proxying capabilities. No paid accounts are necessary; bring your own proxies or buy from any vendor. The original proxy tool, since 2006.
227,534 users
Time Tracker - Web Habit Builder
Track time, analyze your habits and block addictive sites
10,358 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.
113,712 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
723,377 users
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
93,591 users
Notefox: websites notes
Take notes on every website in a smart and simple way!
6,153 users
Image Max URL
Finds larger/original versions of images (supporting 10,000+ websites), including a powerful media popup feature
10,648 users
Sink It for Reddit
Upgrade your Reddit experience with color coded comments, easier nav, sub-reddit blocking, gestures for upvoting, ad+nag blocking, and more. It's like RES, for mobile!
7,051 users
Raindrop.io
All-in-one bookmark manager
39,207 users