filoshi.com / formats / au-to-flac

Convert AU to FLAC

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

Loading converter…

How to convert AU to FLAC 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
    FLAC is auto-selected. Hit Convert — FFmpeg.wasm processes everything locally in your browser.
  3. 3
    Download your file
    Your converted FLAC file downloads instantly. Nothing was uploaded to a server.
Need batch AU to FLAC conversion?
The web converter handles 1 file at a time. Filoshi desktop converts unlimited files, runs offline, and supports 3,000+ formats.
Get Filoshi Desktop — $14.90