RM To Zune Converter Splitter is all-in-one RM to Zune Converter and RM to Zune Splitter software, which can Converter/Splitter Video to Zune video, It also has more settings you can customize, such as Convert video by custom time, RM To Zune Converter/Splitter has rich options. easily add captions to the output video file. You can also set the position of the caption.