=> Easy to use: you just need to copy video URL from the Web Browser and paste it to You Tube Down-loader HD (High Definition).
=> There is no need for any scripts or browser plug-ins.
=> You have the choice to Convert the downloaded video to a variety of formats.
=> You can easily download You Tube HD and Full HD movies (Full HD is available on certain videos)
=> Unicode support: You Tube Down-loader 2011 have the ability to save the movies whose names include non-standard characters (like Chinese, Japanese, Cyrillic, etc.)
=> It is also very friendly for Big Video Files.
Below is the download link: