All Free WebM to MP4 Converter - Version 7.5.9 WebM format is more and more popular nowadays and you may have downloaded thousands of WebM video files from YouTube-like video sharing sites. But as a web video format, this kind of video still cannot be supported by all of OSes and portable devices. All Free WebM to MP4 Converter can convert WebM to MP4 since MP4 is a device friendly video format. In this way, you can enjoy your WebM videos on MP4 compatible devices like iPod, iPad, iPhone, PSP, Apple TV, etc.WebM is a burgeoning Standard used to compress video content. It is quite popular that you will see there are awesome WebM videos and movies everywhere. What you can do if you need to extract music from WebM videos? All Free WebM to MP4 Converter would be your top choice as it also works as a WebM to audio converter. It allows you to extract wonderful music from WebM videos with fast encoding speed and high output audio quality. Just enjoy WebM music on various music players.