Convertauamr
We've already converted 813,522,715 files with a total size of 6,574 TB.

FREE AU to AMR

Online Convert AU to AMR Use OnlineConvert online. Free fast! No registration is required.

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How to convert AU to AMR?

Online AU to AMR, you can put the AU to AMR format on your computer, tablet or mobile phone without downloading any software!

Step 1

Upload AU file

Select files from your computer, Google Drive, Dropbox, URL or by dragging them on the page.
Step 2

Select 'AMR'

Select output AMR or any other format as the conversion result (click the Convert button)
Step 3

Download your AU file

After the conversion you can download your AMR file and upload it to Google Drive, Dropbox.

au : Audio File

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

amr : Adaptive Multi-Rate Codec File

AMR files are compressed audio files which are often used by cell phones. This files can contain voice recordings or voicebox messages for example. The format was developed by Ericsson.
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