Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
Tabliss - New Tab
A beautiful New Tab page with many customisable backgrounds and widgets that does not require any permissions.
75,534 users
Dictionary Anywhere
View definitions easily as you browse the web. Double-click any word to view its definition in a small pop-up bubble. It also supports Spanish, German, French language alongside English. Enjoy Reading Uninterrupted!!!.
33,734 users
Checker Plus for Gmail™
Get notifications, read, listen to or delete emails without opening Gmail and easily manage multiple accounts.
29,934 users
Measure-it
Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.
21,838 users
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
100,509 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.
110,771 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
731,456 users
Privacy Badger
Automatically learns to block hidden trackers. Made by the leading digital rights nonprofit EFF to stop companies from spying on you.
1,872,535 users
automaticDark - Time-Based Theme Changer
Automatically change Firefox's theme based on the time.
13,827 users
Time Tracker - Web Habit Builder
Track time, analyze your habits and block addictive sites
12,982 users
Show Video Controls for Firefox
Automatically enables video controls when playing html webm videos.
4,901 users
Download All Images
Easily save images with a wide range of customization features, such as file size, dimensions, and image type.
101,668 users