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.
156,844 人のユーザー
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.
107,735 人のユーザー
Tabliss - New Tab
A beautiful New Tab page with many customisable backgrounds and widgets that does not require any permissions.
73,751 人のユーザー
SoundFixer
Helps you fix annoying sound problems on sites like YouTube: audio in one channel only, too quiet or too loud. (Unfortunately, this extension does not work on all websites because of cross-domain issues — but it does work on YouTube!)
43,158 人のユーザー
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!!!.
36,208 人のユーザー
Tomato Clock
Tomato Clock is a simple browser extension that helps with online time management.
30,747 人のユーザー
Foxy Gestures
Mouse gestures for Firefox. A web extension alternative to FireGestures created by a long time FireGestures user.
18,293 人のユーザー
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.
15,582 人のユーザー
Default Bookmark Folder
Allows you to choose the default bookmark location folder and quickly bookmark pages via a dedicated icon.
11,590 人のユーザー
Swift Selection Search
Swiftly access your search engines in a popup panel when you select text in a webpage. Context menu also included!
10,312 人のユーザー
Simple Gesture for Android
シンプルなタッチジェスチャー機能を追加します。(Android用) ※「Quick Gestures」というアドオンを大変参考にさせていただきました
1,803 人のユーザー
Ecosia — The search engine that plants trees 🌱
This extension adds Ecosia.org as the default search engine to your browser — it’s completely free!
271,727 人のユーザー
Greasemonkey
Customize the way a web page displays or behaves, by using small bits of JavaScript.
164,079 人のユーザー
