M4R to CVU Converter
Convert your m4r files to cvu online & free
MPEG 4 Ringtones Audio
Continuously Variable Slope Delta modulation (unfiltered)
How to convert M4R to CVU
Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.
Choose "to cvu"
Choose cvu or any other format you need as a result (more than 200 formats supported)
Download your cvu
Let the file convert and you can download your cvu file right afterwards