Extensions are like apps for Firefox.
They add features to Firefox to make browsing faster, safer, or just plain fun.
YouTube High Definition
YouTube High Definition is a powerful tool that automatically plays all YouTube videos in HD, changes video player size, offers auto-stop and mute, and much more.
148 495 users
Video Background Play Fix
Some sites may not work with Firefox for Android video background play feature. This add-on provides a quick fix by blocking the Page Visibility API and the Fullscreen API.
159 499 users
Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.
925 219 users
Tomato Clock is a simple browser extension that helps with online time management.
39 059 users
Search by Image
A powerful reverse image search tool, with support for various search engines, such as Google, Bing, Yandex, Baidu and TinEye.
259 947 users
Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.
991 330 users
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.
66 483 users
Removes tracking elements from URLs
126 337 users
Bitwarden - Free Password Manager
A secure and free password manager for all of your devices.
623 787 users
Google Search Fixer
Override the user-agent string presented to Google Search pages to receive the search experience shown to Chrome.
109 654 users