To convert au music online :

  1. Upload your au file.
  2. Select your target format from conversion list.
  3. Enter a valid email address to get notified when the file is converted.

You can change your au audio settings such as: audio bitrate, adjusting audio sampling rate, audio channels and audio cutter. Visit Online Audio Converter to know more about our online audio editor.


  • Drag & Drop file here


  • Convert to:

  • Email address:

  • You are almost done!

AU file extension

Online Audio Converter

What is AU and how you can convert AU file?

Our Free online audio converter allow you to convert your audio AU ( Audio File ) format. Upload your AU file and then select the format type you want to convert to, after the conversion is completed you can download the converted audio file instantly or by email.


AU Extension

AU file definition

AU file format help to store audio files in 3 segments: a header with highest strength of 24 bytes, an annotation block of changing length and the audio data segment itself. AU files can be converted to other audio formats.

Technical details for AU file

TAU files were created by Sun Microsystems and it can be opened by Sun or Unix bashed equipments or other audio programs. They are associated with law logarithmic encoding to endemic SPARCstation 1 hardware.

File extension


Developed by:

Sun Microsystems

Other AU conversions

FileZigZag can convert AU files to the following formats:

au to aac
au to aiff
au to m4a
au to m4r
au to mp3
au to mmf
au to opus
au to ogg
au to wav
au to wma
au to 7z
au to zip

FileZigZag is a free online file conversion, Supports a wide variety of different file formats, videos, audio, images, documents, archives without download any software.
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