Explore powerful tools and features to customize Firefox and make the browser all your own.
Image Search Options provides a set of highly customizable reverse image search context menu options.
Enlarge thumbnails, and show images/videos from links with a mouse hover.
Lets you fix annoying sound problems in YouTube videos and such. Like audio in one channel only, too quiet or too loud. (Unfortunately, doesn't work on many other websites because of cross-domain issues — but it does work on YouTube.com!)
OneTab - Too many tabs? Convert tabs to a list and reduce browser memory
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.
A secure and free password manager for all of your devices.
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.
Tons of features to improve your user experience on YouTube™.
Spoofs User-Agent strings of your browser with a new one globally, randomly or per hostname
This is probably a laser cat add-on so you can shoot laser cat lasers at things.
The best way to experience 1Password in your browser. Easily sign in to sites, generate passwords, and store secure information, including logins, credit cards, notes, and more.
Scroll page without touching scroll-bar! Press Middle (Right / Left) mouse button anywhere on the page to your scroll page just like with scrollbar. Scroll Anywhere features also: - "grab and drag" scrolling - The Momentum auto-scroll