iEffectsoft Video to MKV Converter is an outstanding MKV Video Converter that can convert any videos to MKV/MKA file format. It supports AVI, XviD, WMV, MPEG, MPG, FLV, DAT, RM, RMVB, MOV, ASF, FLV and much more video/audio format to MKV conversion. iEffectsoft Video to MKV Converter also provides you with a wide variety of video editing functions such as video crop, movie trimming and video effect adjustment. This Video to iPod Converter also let you set encoding parameters including resolution, bit rate, frame rate, aspect ratio, brightness, contrast, saturation to get the best video quality. As a single software which meets all your Video to MKV/MKA Conversion needs, iEffectsoft Video to MKV Converter is always your first choice, which will always be in company with our great users, leading the fashion, sharing and enjoying every state-of-the-art achievement in the multimedia community.