EASY DOWNLOAD YOU TUBE VIDEOS

Step 1: Open video page.

Step 2: Just change video page url from
www.youtube.com => www.ssyoutube.com
If video page url is " http://www.youtube.com watch?v=4j_9nOzRV_k"  then change it to " http://www.ssyoutube.com/watch?v=4j_9nOzRV_k"

Step 3: Download window will appear now you can download video in 3gp/mp4 format.

Note: You may need UC player or core player to view video in mobile.
Tested & 100% working.