Yes this is a small trick revealed by official YouTube channel on Twitter. If you want to play any YouTube video in the best available format, then all you have to do is to add &hd=1 to any YouTube video URL. Hit the enter key and enjoy the HD version [if applicable].
Beside this, if you want to download YouTube videos in FLV/MP4 [HD] format then proceed to here.
All you have to do is to change this
to this one
While embedding a code of youtube video to your blog, make sure to add &hd=1 in the value tag like this one.
<object width=”425″ height=”344″><param name=”movie” value=”http://www.youtube.com/v/HkGS263lGsQ&hl=en&hd=1&fs=1&rel=0″></param><param name=”allowFullScreen” value=”true”></param><param name=”allowscriptaccess” value=”always”></param><embed src=”http://www.youtube.com/v/HkGS263lGsQ&hl=en&fs=1&rel=0″ type=”application/x-shockwave-flash” allowscriptaccess=”always” allowfullscreen=”true” width=”425″ height=”344″></embed></object>