Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
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.
404,726 users
Download All Images
Easily save images with a wide range of customization features, such as file size, dimensions, and image type.
63,962 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
56,634 users
Bitwarden - Free Password Manager
A secure and free password manager for all of your devices.
212,276 users
Decentraleyes
Protects you against tracking through "free", centralized, content delivery. It prevents a lot of requests from reaching networks like Google Hosted Libraries, and serves local files to keep sites from breaking. Complements regular content blockers.
199,144 users
Grammar and Spell Checker - LanguageTool
With this extension you can check text with the free style and grammar checker LanguageTool. It finds many errors that a simple spell checker cannot detect, like mixing up there/their, a/an, or repeating a word.
152,116 users
LASER CAT
This is probably a laser cat add-on so you can shoot laser cat lasers at things.
6,526 users
Measure-it
Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.
28,113 users
