Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
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.
379,635 users
To Google Translate
Right-click a section of text and click the Translate icon next to it to text translate or listen to it in your language.
940,449 users
Web Archives
View archived and cached versions of web pages on 10+ search engines, such as the Wayback Machine, Archiveâ¤is, Google, Bing and Yandex.
61,509 users
Block Site
A customizable, password-protected website blocker and redirector.
71,183 users
Privacy Badger
Automatically learns to block invisible trackers.
1,267,334 users
LeechBlock NG
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.
78,279 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
502,747 users
uBlock Origin
Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.
8,348,807 users
Zoom Page WE
Zoom web pages (either per-site or per-tab) using full-page zoom, text-only zoom and minimum font size. Fit-to-width zooming can be applied to pages automatically. Fit-to-window scaling can be applied to small images.
21,348 users
Tranquility Reader
Tranquility Reader improves the readability of web articles by removing unnecessary elements like ads, images, social sharing widgets, and other distracting fluff.
41,074 users
Tree Style Tab
Show tabs like a tree.
210,084 users
Web Archives
View archived and cached versions of web pages on 10+ search engines, such as the Wayback Machine, Archiveâ¤is, Google, Bing and Yandex.
61,509 users