Disable Ctrl-Q and Cmd-Q
Overrides the Ctrl-Q and Command-Q shortcut so that you cannot accidentally quit Firefox. To quit anyway, use the 'Quit Firefox' menu item.
678 users
Ecosia Dark Mode
A dark theme experience for the Ecosia search engine and associated services.
675 users
Tenhou English UI
Change the UI text on the Tenhou HTML5 Web Client from Japanese to English
669 users
Make Medium Readable Again
Improves the Medium reading experience, ruined by user engagement tactics.
667 users
Night Video Tuner
Protect your eyes and improve your sleeping cycles by adjusting video temperature and many other properties!
665 users
Universal Automatic Currency Converter
Your new automatic currency converter. Completely customizable. Completly free.
660 users
Java Doc2Code
Maps the Oracle Java 11+ documentation page to the OpenJDK source code on Github
654 users
YouTube Avatars
RuAvatar - Firefox edition Возвращаем изображения на ютубе без использования proxy и vpn.
651 users
Night assistant
Set the background color of the webpage to protect your eyes and create a beautiful and comfortable internet environment.
650 users
BlueLiteBlocker
Hide tweets from Twitter Blue users you don't follow without needing to mute or block them. Customizable to allow tweets from accounts with more than a set number of followers.
645 users
Mirror Video X
Allows you to mirror or rotate a video within the web page, services such as YouTube and Twitch are supported, but it works on the majority of sites. Customizable keyboard shortcuts and user-friendly interface.
643 users
Twitter Demetricator
Twitter Demetricator hides all the metrics on Twitter. Follower, like, and retweet counts all disappear. The result lets you try out Twitter without the numbers, to see what happens when you can no longer judge yourself or others in metric terms.
642 users
Selection Translate - For AltKey
Selecting text and holding alt key, translated results will show up on current web pages. No need to leave current web pages.
640 users
