If you don’t like the bigasoft MKV converter, you could download the other software to convert MKV to AVI.
This converter is a AVI video converter, That is different from the MKV converter. It can help you convert any video to AVI format easily and quickly.
The AVI converter is developed by Tipard which is one of the best video software development company.
The website is : http://www.convertmkvtoavi.net/