Explore powerful tools and features to customise Firefox and make the browser all your own.
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!
Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.
An easy-to-use tab reloader with custom reloading time settings for individual tabs
Offline P2P encrypted password manager & authenticator. Auto-fill Two-Factor Authentication (2FA) tokens.
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
A secure and free password manager for all of your devices.
Protects you against tracking through "free", centralised, 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.
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.
The RegretsReporter browser extension, built by the nonprofit Mozilla, lets you flag regrettable recommendations on YouTube.
Make the browser forget website data (like cookies, local storage, etc.), except for the data you want to keep by adding domains to a whitelist, graylist, blacklist, or redlist.
Build, save and share beautiful Firefox themes.
View definitions easily as you browse the web. Double-click any word to view its definition in a small pop-up bubble. It also supports Spanish, German, French language alongside English. Enjoy Reading Uninterrupted!!!.