Extensions
Explore powerful tools and features to customise Firefox and make the browser all your own.
GIPHY for Firefox
Bring the power of a GIF search engine anywhere on the web. Respond to emails, tweets and more with GIFs quickly and easily. Add GIPHY GIFs to your Gmail, Facebook, Twitter and more. Just search, drag and drop or right click!
6,873 users
NoScript Security Suite
The best security you can get in a web browser! Allow potentially malicious web content to run only from sites you trust. Protect yourself against XSS other web security exploits.
249,242 users
Power Thesaurus
Use the power of synonyms by button in toolbar, right-click or by word selection on any page.
7,907 users
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
100,343 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.
110,207 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
728,750 users
Privacy Badger
Automatically learns to block hidden trackers. Made by the leading digital rights nonprofit EFF to stop companies from spying on you.
1,863,849 users
automaticDark - Time-Based Theme Changer
Automatically change Firefox's theme based on the time.
14,176 users
Time Tracker - Web Habit Builder
Track time, analyze your habits and block addictive sites
13,252 users
Show Video Controls for Firefox
Automatically enables video controls when playing html webm videos.
4,912 users
Download All Images
Easily save images with a wide range of customization features, such as file size, dimensions, and image type.
101,699 users