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.
170,334 个用户
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.
118,452 个用户
Tabliss - New Tab
A beautiful New Tab page with many customisable backgrounds and widgets that does not require any permissions.
80,499 个用户
RoboForm Password Manager
RoboForm, the #1 ranked Password Manager makes your life easier by remembering passwords and logging you into websites automatically
62,503 个用户
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!!!.
48,670 个用户
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!)
47,096 个用户
Tomato Clock
Tomato Clock is a simple browser extension that helps with online time management.
35,608 个用户
Foxy Gestures
Mouse gestures for Firefox. A web extension alternative to FireGestures created by a long time FireGestures user.
21,270 个用户
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.
17,333 个用户
Default Bookmark Folder
Allows you to choose the default bookmark location folder and quickly bookmark pages via a dedicated icon.
13,332 个用户
Swift Selection Search
Swiftly access your search engines in a popup panel when you select text in a webpage. Context menu also included!
12,029 个用户
Grammarly: AI Writing and Grammar Checker App
Improve your writing with Grammarly's AI assistance. Get spell check, grammar check, generative AI, and more in one tool. Real-time suggestions for improving tone and clarity help ensure your writing makes the impression you want.
755,376 个用户
1Password: Password Manager
The best way to experience 1Password in your browser. Easily sign in to sites, generate passwords, and store secure information, including logins, credit cards, notes, and more.
377,245 个用户
Ecosia — The search engine that plants trees 🌱
This extension adds <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/c7a1fe7e1838aaf8fcdb3e88c6700a42c275a31c5fdea179157c9751846df4bf/http%3A//Ecosia.org" rel="nofollow">Ecosia.org</a> as the default search engine to your browser — it’s completely free!
302,902 个用户
