WinX Free FLV to MP4 Video Converter - Version 4.1.2 WinX Free FLV to MP4 Video Converter is a free video converter which is especially designed for convert FLV to MP4 files. This flexible and easy-to-use FLV to MP4 video converter offers super fast converting speed and outstanding audio/video quality. Moreover, WinX Free FLV to MP4 Video Converter supports grabbing pictures from original video file. You can save these screenshots as JPG or BMP formats.Key Features:Perfectly convert video from FLV to MP4 Support converting in both single and batch mode Support grabbing images from original video files Super fast converting speed, up to 300%-500% real time Without any video degradation during converting process Easily split video by setting start and end time Fully control output video image size Easy to use and 100% stable