uBlock Origin
Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.
7,859,713 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.
346,190 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.
1,547,476 users
Search by Image
A powerful reverse image search tool, with support for various search engines, such as Google, Bing, Yandex, Baidu and TinEye.
314,379 users
801,776 users
523,551 users
460,153 users
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
50,558 users
Augmented Steam
Augments your Steam Experience
53,323 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).
4,760 users
ProtonDB for Steam
Shows ratings from protondb.com on Steam
3,137 users
7,833 users
1,416 users
8,948 users
AdBlocker for YouTube™
Remove all annoying ads from YouTube.
462,870 users
Enhancer for YouTube™
Take control of YouTube and boost your user experience!
568,602 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
437,395 users
YouTube NonStop
Tired of getting that "Video paused. Continue watching?" confirmation dialog? This extension autoclicks it, so you can listen to your favorite music uninterrupted. Working on YouTube and YouTube Music!
130,918 users
Web Archives
View archived and cached versions of web pages on 10+ search engines, such as the Wayback Machine, Archive․is, Google, Bing and Yandex
57,939 users
Google Scholar Button
Lookup scholarly articles as you browse the web.
109,934 users
Unpaywall
Get free text of research papers as you browse, using Unpaywall's index of ten million legal, open-access articles.
61,418 users
LibKey Nomad
One-click access to millions of scholarly articles.
8,199 users