WinX Free MP4 to WMV Video Converter - Version 4.1 WinX Free MP4 to WMV Video Converter is your best choice for converting video formats from MP4 to WMV. Its powerful converting ability offers you super fast speed and excellent image quality. WinX Free MP4 to WMV Video Converter is an excellent video conversion program that converts video formats at fast speed and high quality. Key Features:Perfectly convert video from MP4 to WMVSupport batch converting mode Super fast video converting speed, up to 300%-500% real time Easily to take screenshots from video file Excellent video/audio quality Easy-to-use and 100% stable Fully control output video size and quality All video/audio parameters adjustable for users to optimize video quality