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!
Removes all annoying Ads from YouTube
An easy-to-use font inspector to get CSS styles of the selected element
Send the page you are currently viewing to your mobile device. QR codes are generated instantly in browser and never leave your computer. Implemented with WebExtensions API and compatible with Firefox 57+.
Privacy Possum monkey wrenches common commercial tracking methods by reducing and falsifying the data gathered by tracking companies.
Firefox Multi-Account Containers lets you keep parts of your online life separated into color-coded tabs that preserve your privacy. Cookies are separated by container, allowing you to use the web with multiple identities or accounts simultaneously.
Protects your privacy by blocking spying ads and invisible trackers.
Control your cookies! This WebExtension is inspired by Self Destructing Cookies. When a tab closes, any cookies not being used are automatically deleted. Whitelist the ones you trust while deleting the rest. Support for Container Tabs.
Gemalto Web Signer is a digital signature−based software solution designed to protect and secure Internet transactions. © Gemalto 2018
2018 updated downlaod helper for YouTube. Download any video from YouTube to MP3, MP4, WEBM, M4A or 3GP. Subtitles and thumbnails also available for download with a single mouse click!
Download YouTube video as Mp3 right from YouTube with one click! On-page plugin to download from YouTube to Mp3! 1) Convert video from YouTube to Mp3. 2) Download Mp3.
Single Sign-on Assistant provides a secure way for users of Access Manager, CloudAccess and SecureLogin to automate authentication to configured applications, providing a single sign-on experience.
Tons of features to improve your user experience on YouTube™.
YouTube with more freedom
The entire page will be fading to dark, so you can watch the videos as if you were in the cinema. Works for YouTube™ and Beyond. It works for all known video sites such as YouTube, Vimeo, Twitch, Dailymotion, Facebook, Hulu, Metacafe, YouKu, etc.
Lets you fix annoying sound problems in YouTube videos and such. Like audio in one channel only, too quiet or too loud. (Unfortunately, doesn't work on many other websites because of cross-domain issues — but it does work on YouTube.com!)