Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
To Google Translate
Right-click a section of text and click the Translate icon next to it to text translate or listen to it in your language.
738,611 users
Measure-it
Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.
22,446 users
Search by Image
A powerful reverse image search tool, with support for various search engines, such as Google, Bing, Yandex, Baidu and TinEye.
437,128 users
Image Search Options
A customizable reverse image search tool that conveniently presents a variety of top image search engines.
37,924 users
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
85,636 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.
107,531 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
673,835 users
Privacy Badger
Automatically learns to block hidden trackers. Made by the leading digital rights nonprofit EFF to stop companies from spying on you.
1,796,996 users
Time Tracker - Web Habit Builder
Track time, analyze your habits and block addictive sites
1,041 users
Power Thesaurus
Use the power of synonyms by button in toolbar, right-click or by word selection on any page.
1,306 users
PhotoShow
Hover to zoom and view high-definition images. Instantly enlarge visuals, crafted for all your favorite websites—and for you.
12,615 users
Chrome Mask
Makes Firefox wear a mask to look like Chrome to websites that block Firefox otherwise.
46,571 users