Up & Coming Extensions
Prevents your web browser from opening a new window on top of the content or web site you are viewing. The Addon also supresses unwanted advertisement windows on your screen. The one deciding what consitutes a popup is the user.
Save video from any Youtube video in High definition HD or Standard definition SD.
1-click download any video directly from Youtube.
Choose if you want .mp4, .webm, mobile, or audio only (audio only saves space and great for mobile devices)
Save video from any Facebook video in original .mp4 format.
"1-Click" download any video directly from Facebook.com.
Choose if you want video or just an image.
Addon uses 3rd party site (www.getyourfb.com) for operation.
Click to download any Youtube, Instagram, Facebook, Vid.me, Streamable, LiveLeak, Vine video or photo.
ScrollyFox Requires Restart
This is a basic FireFox extension which simply scrolls the page down (and optionally up again) automatically at an adjustable rate.
Download YouTube videos in all available formats and extract the original audio files
Uncheck "Stay signed in" automatically for Google Login (Gmail, Google Drive, etc...)
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.
Pioneer is an opt-in program that allows collection of richer data from Firefox.
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 (Firefox 53+).
Hide Navigation Bar Requires Restart
This extension enables you to hide the navigation bar through a toggle button. Currently the toggle button is the F2 key. You can change the key in the extensions options, as well as configure whether you want the Navigation Bar to be displayed on ...
Used in conjunction with the GradeCam plugin for Firefox to enable the teacher gradebook transfer feature. See http://gradecam.com
Send streamable media from current tab to VLC (VideoLAN) media player
Open and download links with IDM (internet download manager)
Redesign the web with Stylus, a user styles manager. Stylus allows you to
easily install themes and skins for many popular sites.
Swap Proxy Requires Restart
Swap Your Proxy Setting instantly just by a click.
Violentmonkey provides userscripts support for browsers.