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