Convertm4rau
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Online Convert m4r to au Use OnlineConvert online. Free fast! No registration is required.

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How to convert m4r to au?

Online m4r to au, you can put the m4r to au 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 'au'

Select output au 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 au 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.

au : Audio File

AU is an audio file format, used on Sun and Unix systems.
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