ASFAU

Convert ASF to AU

Free and private: ASF files are converted in your browser on computers; on phones, in our fast cloud and deleted automatically.

  • In your browser (fast cloud on phones)
  • No watermark
  • Batch & ZIP download

How to convert ASF to AU

  1. 1

    Add your ASF files

    Drag and drop ASF files onto the converter, paste them, or click to browse. You can add several at once.

  2. 2

    Choose AU

    AU is already selected. Open Options if you want to change quality, size or metadata.

  3. 3

    Convert

    Click Convert. Your files are converted right in your browser in seconds.

  4. 4

    Download your AU

    Download each AU file, or everything at once as a ZIP.

ASF vs AU

From

ASF · Advanced Systems Format

ASF is Microsoft's streaming container behind WMV and WMA files.

Type
Video
Extension
.asf
MIME
video/x-ms-asf
Best for
legacy Windows Media streams
Legacy format
All ASF conversions →

To

AU · Sun Audio

AU is a simple audio format introduced by Sun Microsystems, common on early Unix systems and Java.

Type
Audio
Extension
.au
MIME
audio/basic
Best for
legacy Unix and Java applications
Legacy format
All AU conversions →

Related conversions

ASF to AU: frequently asked questions

Free, private and in your browser

Convert ASF to AU in seconds.

No sign-up, no watermarks, no waiting in line. Drop a file and get it back in the format you need.

  • Most conversions never leave your device
  • Cloud files deleted automatically
  • No watermarks