filoshi.com / formats / au-to-aac

Convert AU to AAC

The AU format is commonly used by specialized software. By converting it to AAC, you reduce file size and increase compatibility. Filoshi runs this conversion completely offline.

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How to convert AU to AAC for free

  1. 1
    Drop your AU file
    Drag it onto the converter above, or click Browse Files to select it from your computer.
  2. 2
    Click Convert
    AAC is auto-selected. Hit Convert — FFmpeg.wasm processes everything locally in your browser.
  3. 3
    Download your file
    Your converted AAC file downloads instantly. Nothing was uploaded to a server.
Need batch AU to AAC conversion?
The web converter handles 1 file at a time. Filoshi desktop converts unlimited files, runs offline, and supports 3,000+ formats.
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