Try this site: http://www.

Try this site:

http://www.avs4you.com/AVS-Video-Converter.aspx

I use their tools for most of my “simple needs” projects, yet they are very good tools and inexpensive.  Give it a try.  If you buy I recommend the  life time subscription, but that is good for only one machine.  If you replace the machine, you have to buy a new license.