Online M4R to SOU, you can put the M4R to SOU format on your computer, tablet or mobile phone without downloading any software!
Step 1
Upload M4R file
Select files from your computer, Google Drive, Dropbox, URL or by dragging them on the page.
Step 2
Select 'SOU'
Select output SOU or any other format as the conversion result (click the Convert button)
Step 3
Download your M4R file
After the conversion you can download your SOU file and upload it to Google Drive, Dropbox.
m4r : 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.