This gives highest speed while reserving highest video quality. So it is called 'Smart Rendering'. No need to be worried about formats, frame rate or file sizes, the functions of video join, split and cut can be easily achieved by Smart Cutter. The video editing software allows you to edit video files in all popular formats from DV Camcorder and HD PVR. All subtitles and audios in the movie will also be cut and saved without re-encoding. As a video joiner, splitter and cutter, Smart Cutter has an intuitive interface and makes it easy to turn original videos into works of art. And also you can watch the video in the preview window.