4Videosoft YouTube Video Converter - Version 5.0.10 4Videosoft YouTube Video Converter is designed for YouTube fanatics to convert any video formats MPG, MPEG, MP4, AVI, MOD, etc to YouTube FLV and SWF format. Then you can easily upload to all the video sites like YouTube, Myspace, Yahoo! Video, Google Video, etc. It provides you more editing functions: modify video effect, trim video clips, crop video frame, merge video chapters and add watermark.