Explore powerful tools and features to customize Firefox and make the browser all your own.
Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.
Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.
A download manager with the ability to pause and resume downloads, download remote files, and more.
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.
Swiftly access your search engines in a popup panel when you select text in a webpage. Context menu also included!
Scroll page without touching scroll-bar! Press Middle (Right / Left) mouse button anywhere on the page to scroll just like with scrollbar. Features also: - "grab and drag" scrolling - customizable scrollbars! - the Momentum auto-scroll
Get international weather updates (via AccuWeather.com) displayed right in Firefox with this highly customizable extension.
Save a complete page (with stylesheets, images, etc.) as a single HTML file