iWisoft free video converter can be downloaded and installed more easily and quickly. It supports more video and audio formats conversion, even hd video, mkv, recorded dv video and video to image conversion. It's designed with user-friendly interface which make it more easier to use. It has additional useful functions, such as crop video, trim & merge video or audio, watermark your video, add effect like gamma, brightness, contrast, saturation, and gray, emboss, negative, old film, take snapshots from video while previewing, etc. And it will be free and safe forever.