No specific info about version 2.1. Please visit the main page of AllToAVI on Software Informer.
Simple video conversion utility complete with YouTube downloading capabilities.
It helps you convert Matroska video files (MKV) to AVI or MPEG.
Convert MKV video to any other video and audio formats.
Allok QuickTime to AVI MPEG DVD Converter is a powerful QuickTime converter
You can convert MKV videos to AVI, MP4, FLV, WMV, DivX, MPEG.
Convert your DVD movies to MKV and some other general video formats.