WebM is an audio-video format designed to provide a royalty-free, open video compression format for use with HTML5 video. But many portable devices don't support for playing WebM files. MediaProSoft Free WebM to MP4 Converter, as an ideal video converter for converting WebM to MP4, can easily and swiftly help convert WebM video to the more common MP4 format with ultrahigh quality to enjoy WebM videos on Apple products, such as iPod, iPhone, iPad, anytime and anywhere. It can also convert different popular video formats (AVI, FLV, WMV, RMVB, MOV, DAT, etc.) and HD formats such as AVCHD video (M2TS, MTS, M2T) to proper video format for enjoyment on all platforms, from PC, MP4 players to Mobiles and Tablets. Meanwhile, it is able to convert audio files between the most popular audio formats and more (WMA to MP3, MP3 to WAV, MP3 to WMA, etc.). The preset options let you choose the desired output quality with ideal combination of frequency, bitrate, number of channels, etc. If you are not sure about which one to choose, just select the default one. The user-friendly UI enables you to find & use anything you want in seconds and many thoughtful features (conversion list with specific media info & image preview, one click to open output folder, post process options to shutdown the computer or play a sound when conversion is finished, etc.). The step-by-step wizard with tutorial instruction to help users convert just by clicking buttons.