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Featured extensions
Ghostery
See who’s tracking you online and protect your privacy with Ghostery.
1,060,494 users
Mate Translate – translator, dictionary
Select text and translate it with a shortcut between 103 languages instantly.
39,080 users
Disconnect
Make the web faster, more private, and more secure.
229,244 users
uBlock Origin
Finally, an efficient blocker. Easy on CPU and memory.
4,755,297 users
Popular extensions
Adblock Plus
Blocks annoying video ads on YouTube, Facebook ads, banners and much more. Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).
13,855,774 users
uBlock Origin
Finally, an efficient blocker. Easy on CPU and memory.
4,755,297 users
Video DownloadHelper
The easy way to download and convert Web videos from hundreds of YouTube-like sites.
3,627,146 users
Easy Screenshot
Capture a screenshot of the whole webpage, and save in your desktop in default.
2,504,640 users
Top-rated Themes
Productivity tools
Gesturefy
Customizable mouse gesture addon, which supports over 40 different actions.
86,213 users
Grammarly for Firefox
Grammarly will help you communicate more effectively. As you type, Grammarly flags mistakes and helps you make sure your messages, documents, and social media posts are clear, mistake-free, and impactful.
560,690 users
OneNote Web Clipper
Save anything on the web to OneNote. Clip it to OneNote, organize and edit it, then access it from any device.
51,915 users
Snap Links Plus
Select a number of links with a rectangle and open them all in new tabs in the same or a new window(s), download them or copy them to the clipboard. You can also lasso checkboxes to quickly check or uncheck them.
23,240 users
Privacy protection
Ghostery
See who’s tracking you online and protect your privacy with Ghostery.
1,060,494 users
Privacy Badger
Protects your privacy by blocking spying ads and invisible trackers.
424,117 users
Disconnect
Make the web faster, more private, and more secure.
229,244 users
Firefox Multi-Account Containers
Firefox Multi-Account Containers lets you keep parts of your online life separated into color-coded tabs that preserve your privacy. Cookies are separated by container, allowing you to use the web with multiple identities or accounts simultaneously.
60,293 users