YouTube Control Center
YouTube Control Center is an open-source project that aims to enhance the overall YouTube experience by providing the end user with more control in what the playback process is concerned.
6 932 користувача
Webmail Ad Blocker
Expand your email area by blocking and removing ads on the right hand side of the screen when using Gmail, Hotmail, Outlook.com and Yahoo Mail.
43 264 користувача
Tab notifier
Enables desktop notifications like in Chrome (e.g. Gmail, imo.im) and, if the site doesn't support them, it can notify new messages or updates detecting changes of the title (e.g. Hotmail, Yahoo, Facebook, Twitter). Even if the browser is minimized!
1 642 користувача
Unpaywall
Get free text of research papers as you browse, using Unpaywall's index of ten million legal, open-access articles.
29 759 користувачів
Go translate
Highlight text on a web page and send it to Google Translate or listen the pronunciation.
4 021 користувач
Reddit Comment Collapser
A more elegant solution for collapsing reddit comment trees. Reddit Comment Collapser is free and open source. Contributions welcome - https://github.com/tom-james-watson/reddit-comment-collapser
1 247 користувачів
FontARA Font Changer ( for all sites )
Features: ✔ Ability to choose between 10 free Persian fonts; ✔ Use Custom Fonts (Upload any font file and use it); ✔ Built-in support for popular social media and most famous sites ✔ It is completely Open Source; ✔ It is Free of Charge;
769 користувачів
Video Scrubber for Instagram
Displays player controls for video content on Instagram. Because why isn't that already a feature?
698 користувачів
Кнопка Pinterest «Зберегти»
Зберігайте те, що знаходите в Інтернеті.
297 320 користувачів
Go translate
Highlight text on a web page and send it to Google Translate or listen the pronunciation.
4 021 користувач
Firemoji
Firemoji is a free extension that lets you input emojis on the web browser of your computer.
3 501 користувач
New XKit (W Edition)
This is New XKit, a fork of XKit, the extension framework for Tumblr. It allows you to customize your Tumblr experience. This is the W edition, which updates much more infrequently than the official edition, to allow for Mozilla to review the code.
3 523 користувача