Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
Weather Extension
The best way to see the weather right in your browser. Easier than looking outside!
22,277 users
Measure-it
Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.
25,715 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
617,460 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.
109,337 users
uBlock Origin
Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.
9,545,769 users
Port Authority
Blocks malicious websites from port-scanning your computer/network and dynamically blocks all LexisNexis endpoints from running their invasive data collection scripts.
4,267 users
'Improve YouTube!' 🎧 (For YouTube & Video)
Youtube Extension. Powerful but lightweight. Enrich your Youtube & content selection. Make YouTube tidy&smart! Layout Filters Shortcuts Adblocker Playlist
56,442 users
Adaptive Tab Bar Color
Changes the color of Firefox theme to match the website’s appearance.
42,877 users
