How to Watch and Download Youtube Videos In High-Definition Quality
Youtube now supports videos in High-Definition quality, watching videos in HD requires users to click a link and reload the full-page for HD version of the video, but if you want to enjoy videos on Youtube at the highest quality available by default with an option to download both MP4 and HD versions of the video, here are two Firefox extensions to make things fully automatic.
Second Extension Will Add Links For Downloading Videos In MP4 and HD Quality
All you have to do is to click the links below and install the Firefox extensions and restart the browser, next time you visit Youtube videos will load in highest possible quality and will have links to download videos easily.
Download Firefox Extension :