River Past Video Cleaner Lite limits the output format to AVI.
River Past Video Cleaner add WMV, DivX, Xvid, OGM, MKV and other formats to the output option. It is also compatible with the booster packs.
River Past Video Cleaner Pro adds the ability to choose the audio stream for the conversion. It supports start time and end time for partial conversion, and has the ability to adjust aspect ratios.