Explore powerful tools and features to customize Firefox and make the browser all your own.
Edit the contents of a web page prior to printing or saving. Elements in the web page can be edited, formatted, hidden or deleted. Unwanted content, such as adverts and sidebars, can easily be removed.
Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.
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.
The easy way to download and convert Web videos from hundreds of YouTube-like sites.
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.
Save a complete page (with stylesheets, images, etc.) as a single HTML file
A secure and free password manager for all of your devices.
Swiftly access your search engines in a popup panel when you select text in a webpage. Context menu also included!
Tabby helps you manage a lot of windows and tabs easily; it can help you open, close, move, pin, and do many other things on tabs and windows quickly. With Tabby, you can even save all you windows and tabs for later with just one click!
The best way to see the weather right in your browser. Easier than looking outside!
Remove tracking elements from URLs.
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