Convertmp3au
We've already converted 813,522,715 files with a total size of 6,574 TB.

MP3 FILE to AU

Online Convert MP3 to AU Use OnlineConvert online. Free fast! No registration is required.

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How to convert MP3 to AU?

Online MP3 to AU, you can put the MP3 to AU format on your computer, tablet or mobile phone without downloading any software!

Step 1

Upload MP3 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 MP3 file

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

mp3 : MPEG-1 Audio Layer 3

MP3 is an audio format that can compress and encode an audio file. It uses the lossy compression algorithm to contain audio data. The lossy compression helps to reduce the data significantly without losing audio quality. MP3s are created using different bit rates maintaining the original quality.

au : Audio File

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