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CanvasBlocker
Alters some JS APIs to prevent fingerprinting.
25,861 users
Measure-it
Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.
27,321 users
uBlock Origin
Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.
7,876,513 users
DownThemAll!
The Mass Downloader for your browser
211,725 users
790,346 users
514,274 users
455,307 users
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
51,076 users
Augmented Steam
Augments your Steam Experience
53,642 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).
4,949 users
ProtonDB for Steam
Shows ratings from protondb.com on Steam
3,282 users
796 users
428 users
18,037 users
AdBlocker for YouTube™
Remove all annoying ads from YouTube.
468,986 users
Enhancer for YouTube™
Take control of YouTube and boost your user experience!
574,626 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
441,957 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!
131,025 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.
1,541,757 users
Search by Image
A powerful reverse image search tool, with support for various search engines, such as Google, Bing, Yandex, Baidu and TinEye.
316,143 users
TinEye Reverse Image Search
Click on any image on the web to search for it on TinEye. Recommended by Firefox! Discover where an image came from, see how it is being used, check if modified versions exist or locate high resolution versions. Made with love by the TinEye team.
60,628 users
Image Search Options
A customizable reverse image search tool that conveniently presents a variety of top image search engines.
44,060 users