M4R to AU Converter

Convert M4R to AU online quickly and easily. Just upload your file, convert it, and download the AU in seconds.

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What is M4R ?

The M4R file format is a variant of the M4A audio format specifically used for ringtones on Apple devices. It contains audio data compressed using the AAC (Advanced Audio Codec) and is typically created from music tracks or sound recordings.

M4R format  ▶

What is AU ?

The AU file format is an audio file format developed by Sun Microsystems, primarily used for storing sound data. It is often utilized in Unix systems and can support various audio coding schemes.

AU format  ▶

How to convert M4R to AU

  1. Upload your M4R file
    Drag and drop your M4R file, click 'Select Files' to upload from your device, or import directly from Dropbox, Google Drive, OneDrive, or paste a URL.
  2. Choose AU as output format
    The converter is preset to AU, but you can select any other output format before converting.
  3. Adjust settings (optional)
    If you like, tweak output options such as resolution, quality, or compression before converting.
  4. Convert the file
    Click the 'Convert' button. The conversion takes only a few seconds.
  5. Download your converted file
    Download the converted file to your device, or save it directly to Google Drive, Dropbox, or OneDrive.