Download Youtube videos using opera mini or uc web browser

First >
Open youtube.com now find video that you want to download
now click at the bottom of the page Now will see two option
"Mobile"
or
"Desktop"
now click on desktop and copy the link of your video that you want to download
e.g.,>
http://www.youtube.com/watch?v=UbQhKxxrq04

Now open site
http://dirpy.com
Now you will seen an bar now paste the copy link in bar
now,you can see loading will start after loading finished
click on your desired format and download your video.

Enjoy!¡