
Ghostery – Privacy Ad Blocker
The best privacy tool and ad blocker extension for Firefox. Stop trackers, speed up websites and block ads everywhere including YouTube and Facebook.
1,069,941 users
AdGuard AdBlocker
Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.
1,366,491 users
Dictionary Anywhere
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!!!.
49,807 users
automaticDark - Time-Based Theme Changer
Automatically change Firefox's theme based on the time.
14,426 users
891 users
828 users
881 users
Privacy Badger
Automatically learns to block invisible trackers.
1,793,017 users
Enhancer for YouTube™
Take control of YouTube and boost your user experience!
671,376 users
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.
404,940 users
Search by Image
A powerful reverse image search tool, with support for various search engines, such as Google, Bing, Yandex, Baidu and TinEye.
391,086 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.
112,031 users
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.
404,940 users
Search by Image
A powerful reverse image search tool, with support for various search engines, such as Google, Bing, Yandex, Baidu and TinEye.
391,086 users
Dictionary Anywhere
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!!!.
49,807 users
208 users
891 users
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
66,338 users
Augmented Steam
Augments your Steam Experience
61,395 users
Steam URL Opener
Allows you to open URLs inside Steam Client to save the hassle of logging in normal browser (with a single click on a button).
6,264 users
ProtonDB for Steam
Shows ratings from <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/f8db0358d96c1a46b9a77aa02190de811e40819051b1d42dd013c17276046ffd/http%3A//protondb.com" rel="nofollow">protondb.com</a> on Steam
3,923 users
uBlock Origin
Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.
9,427,480 users
Privacy Badger
Automatically learns to block invisible trackers.
1,793,017 users
DuckDuckGo Privacy Essentials
Simple and seamless privacy protection for your browser: tracker blocking, cookie protection, DuckDuckGo private search, email protection, HTTPS upgrading, and much more.
1,435,863 users
AdGuard AdBlocker
Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.
1,366,491 users