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YouTube High Definition
YouTube High Definition is a powerful tool that automatically plays all YouTube videos in HD, changes video player size, offers auto-stop and mute, and much more.
169,386 users
Link Gopher
Extracts all links from web page, sorts them, removes duplicates, and displays them in a new tab for inspection or copy and paste into other systems.
17,056 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.
395,292 users
Search by Image
A powerful reverse image search tool, with support for various search engines, such as Google, Bing, Yandex, Baidu and TinEye.
392,370 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.
115,204 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.
395,292 users
Search by Image
A powerful reverse image search tool, with support for various search engines, such as Google, Bing, Yandex, Baidu and TinEye.
392,370 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!!!.
49,099 users
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
67,469 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).
6,361 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
3,948 users
Turn Off the Lights for Firefox
The entire page will be fading to dark, so you can watch the videos as if you were in the cinema. Works for YouTube and Beyond. Dark mode for all websites. It works for all known video sites such as YouTube, Vimeo, Twitch, Dailymotion, Facebook, etc.
46,766 users
Download Video and Flash - HD Download
Download Video and Flash - HD Download is a great download helper tool that lets you download video and Flash games very easily. Download from YouTube, Facebook, Dailymotion, Vimeo and more. Download and enjoy! Download now!
63,729 users
Watch2Gether
With Watch2Gether you can watch videos together with your friends. Enhance your Watch2Gether experience with our official browser extension.
55,413 users
