MKV to MP4 Converter - Version 4.3.21 MKV to MP4 Converter is created to help you convert MKV to MP4 video with super fast speed and great quality. New features:1. Makes the built-in player resizable (Switch the zoom mode between 4:3 and 16:9)2. Offers the function of power managementKey features:1.With powerful decoding/encoding technology, the MKV to MP4 converter can convert MKV to MP4 and MPEG-4 AVC efficiently.2.Fast conversion speed provided in MKV to MP4 Converter as the full support for multi-core CPU.3.MKV to MP4 Converter can convert multiple MKV files to MP4 and MPEG-4 AVC videos in batches.4. Able to automatically split a large MOV file into several files in smaller size by setting the split time or file size.