1)   OJOsoft MKV Converter 1.5.3.0218
It can convert into all popular video formats including MPG, MPEG, VOB, WMV, MP4, MOV,3GP/3G2, TS, H.264, ASF. In the mean time it supports converting MKV to audio formats like MP3, WMA, M4A, WAV, OGG etc.

 2)   AVAide MP4 Converter 5.2.2
AVAide MP4 Converter is a professional video converter ,Which can convert almost all popular video formats such as AVI, MPEG, 3GP, 3G2, Animated GIF, MOV, MP4, H264, RM, WMV to MP4,iPhone MP4 video,etc easily and fast.