Extensions are like apps for Firefox.
They add features to Firefox to make browsing faster, safer, or just plain fun.
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.
345,830 users
HTTPS Everywhere
Encrypt the web! HTTPS Everywhere is a Firefox extension to protect your communications by enabling HTTPS encryption automatically on sites that are known to support it, even when you type URLs or follow links that omit the https: prefix.
687,094 users
Tomato Clock
Tomato Clock is a simple browser extension that helps with online time management.
40,165 users
Bitwarden - Free Password Manager
A secure and free password manager for all of your devices.
355,196 users
Search by Image
A powerful reverse image search tool, with support for various search engines, such as Google, Bing, Yandex, Baidu and TinEye.
179,024 users
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.
117,029 users
AdGuard AdBlocker
Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.
528,512 users
Dark Reader
Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.
630,181 users
Ghostery – Privacy Ad Blocker
Ghostery is a powerful privacy extension. Block ads, stop trackers and speed up websites.
1,078,125 users
