1)   MPG 2 Cowon D2 Free Convert 1.8.0
MPG 2 Cowon D2 Free Convert is a totally free conversion program which can convert your MPG to Cowon D2 format with fast speed and good quality. With a user-friendly interface, it is easy to use for both veterans and beginners.

 2)   Free MPG to Cowon D2 SE 1.5.8
From the name: Free MPG to Cowon D2 SE, we know that its focused aim is to convert MPG to Cowon D2 and it's free, totally free. It can convert superfast, however, you do not need to worry about the output quality.