Download every YouTube video you want and you can download them as Full HD MP4, FLV, 3GP, MP3, M4A and AAC formats.
Auto delete cookies, localStorage and IndexedDB objects as soon as they become unused
Quick Locale Switcher 2 Requires Restart
Allows you to quickly switch to a different language (User Interface, Spell Checker Dictionary and Website content) in your Mozilla application.
XDM Hook for Linux & Mac OS X Requires Restart
XDM integration module for Firefox on Linux and Mac
SeaMonkey Vertical Tab Bar Requires Restart
Tab bar on the side of the window for SeaMonkey.
Reinstates the extensions.checkCompatibility preference.
Image Zoom (ugly fixes) Requires Restart
An ugly attempt at fixing Image Zoom
A full featured color selector tool, to work with colors, and easily find the colors you want.
Stop Watch timer for Sea Monkey
Keep a list of your important todo list in one place.
Forces safe search on the major search engines.
YouTube Video Player Pop Out lets you pop out YouTube videos so that you can watch YouTube videos while you surf.
Der Spam-Filter für Xing! Entfernt störenden Spam aus der Xing-Timeline und den Gruppen.
XDM Hook Requires Restart
XDM integration module for Firefox
Deny resource:// access to Web content: We fill the hole to defend against fingerprinting. Very important to Firefox privacy. A direct workaround for bugzil.la/863246
jsbtn Requires Restart
JS on/off status bar button
PlayFlash 64bit Requires Restart
Flash player plugin - unofficial xpi repack for 64bit browsers. Use when official plugin installer is not suitable. All binary files are copyrighted by their authors and distributed for free.
Tategaki Requires Restart
Tategaki allows vertical writing-mode on mail compose window.
All the great features of /u/RemindMeBot in a quick and easy to use extension!
View HTTP headers of a page and while browsing.
This is an unofficial "Live HTTP headers" clone, mainly to fix the Replay feature!