This guide will teach you step by step how to convert FLV to MP4 video smoothly. MP4 is a multimedia container format. It is commonly used in iPod, iPhone, PSP,  BlackBerry Phone, Zune, and other multimedia devices. And FLV is a common video format. So sometimes you need to convert FLV files to MP4 video files. Then you could enjoy them on the go. (more…)