Realmedia RM RMVB Converter - Version 4.1 Realmedia RM RMVB Converter is an ultimate Realmedia files converter. You to convert RM, RMVB, RAM and RA video files to AVI, WMV, MPEG, MP4, MOV, 3GP, MP3 and other popular video formats. The efficient video encoder ensures that you will have a clear output with high fidelity. You can also extract only the audio from the Realmedia files.