Yes. MPEG Streamclip is a video converter tool that you can use to convert your HD video file. To be noticed that converting the video file from HD to regular, the quality of resulted item will be significantly reduced. To do this, load the HD video to the program, select the resulted file format that suits you and press the Convert button. You don't need to make any other settings. I suggest that you use a file format like WMV or AVI for your resulted file.
