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.
356,262 位使用者
automaticDark - Time-Based Theme Changer
Automatically change Firefox's theme based on the time.
6,622 位使用者
Measure-it
Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.
28,221 位使用者
AdBlock for Firefox
Chrome 與 Safari 上最受歡迎的廣告攔截程式，現在也支援 Firefox 了！ 所有網頁廣告皆可阻擋，連 Facebook、YouTube、Hulu 也不例外。 瀏覽速度也更快！ 大部分廣告甚至不會下載，節省時間與頻寬。
1,217,923 位使用者
SteamDB
Adds SteamDB links and new features on the Steam store and community. View lowest game prices and stats.
51,121 位使用者
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).
4,841 位使用者
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
443,428 位使用者
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!
132,734 位使用者
Improve YouTube! (Open-Source for YouTube)
Make YouTube tidy & powerful! YouTube Player Size Theme Quality Auto HD Colors Playback Speed Style ad block Playlist Channel H.264
33,117 位使用者
