How to download youtube video without installing software

If you want to download youtube videos, this tips is what you want.

All you need to do is replace the youtube URL http://www.youtube.com by http://www.voobys.com

For example to download this video:

 http://www.youtube.com/watch?v=nuzRsXKm_NQ 

You need to enter this URL

 http://www.voobys.com/watch?v=nuzRsXKm_NQ 

Give access the plugin and just click on video resolution you want to download.

Very easy to do!