i know it's impossible if u reduce video size , it will surely loss some quality too. but i used to watch Graboid Videos and every drama episode i watched there was in 400MB only but with remarkable video quality. and every movie i saw there in 700MB but v.v.good quality. i just want to know that is it the Function of Video converter who converts video without (or with minimum) loosing video quality. if it is so , then please recommend me some best video converter even i have to purchase it, doesn't matter.