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AU to MP3 Converter

Convert AU to MP3 Online for Free (Unlimited Conversions)

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How to Convert AU to MP3?

load au files


Load AU files

Start by visiting the official website of and simply browse and load the AU files to convert.

convert au to mp3


Convert AU to MP3

After AU files are loaded, you can select MP3 as a target format and choose a preferred bit rate for its conversion.

download mp3 files


Download MP3 files

Click on the “Convert” button and wait for the process to be over. Download the converted MP3 files to save them offline.

Why Choose

free with no ads

Free with No Ads is a 100% free online tool that has no hidden fee. Not just that, you won’t see any native ads on the website

unlimited conversion

Unlimited Conversion

Convert as many media files as you want using without any restrictions.

fast and high quality

Fast and High Quality

The media conversion supported by is extremely fast and it yields high-quality results.

What is an AU file?

AU is one of the simplest audio encoding systems, which was developed by Sun Microsystems. It follows an 8-bit μ-law-encoded scheme of data at an 8000 Hz sample rate. Mostly, the AU format is used by Audacity and a few other audio editing software these days.

What is an MP3 file?

Launched in 1991, MP3 is one of the most popular audio formats of the present time. It stands for MPEG Audio Layer III and is monitored by the Moving Picture Experts Group. The open format is supported by almost every music player like VLC, Windows Media Player, Winamp, and more.


Can I convert an AU file to MP3?

Yes – you can just head to, load your AU files, and convert them to a compatible MP3 format.

Which is the best free MP3 converter? is the best MP3 converter tool, which is freely available, and can be accessed online on any device.

Why convert AU audio tracks to MP3?

Since AU is a raw audio format with limited compatibility, it is recommended to convert AU files to MP3 before sharing with others.

Online AudioConvert – Free & Online MP3 Converter

mp3 converter online

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