M4R to SOU Converter
Convert your m4r files to sou online & free
How to convert m4r to sou
Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.
Choose "to sou"
Choose sou or any other format you need as a result (more than 200 formats supported)
Download your sou
Let the file convert and you can download your sou file right afterwards
MPEG 4 Ringtones Audio
M4R - is a digital multimedia container format used to store audio in mono channel mode. This format is suitable for store ringtones and it is widely used by Apple iPhone for its ringtones. Needless to say that M4R and M4A formats shares many similar features.
SOU - 8-bit unsigned integer PCM RAW Audio
An alias for the .u8 format