Ckckc Video to Zune Converter - Version 4.0.2 Ckckc Video to Zune Converter is a professional video to Zune converter software. It can convert almost all of the popular video files to Zune video and Zune movie such as AVI to Zune (MP4), MPEG to Zune (MP4). Its standards-based encoding algorithm ensures that the videos you create have best quality, and video conversion has never been easier or more cost-effective.