WAV to AU Converter

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

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What is WAV ?

WAV (Waveform Audio File Format) is an audio file format standard for storing waveform data. It is commonly used for storing uncompressed audio on Windows platforms and is known for its high quality and fidelity.

WAV 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 WAV to AU in Just a Few Steps

  1. Upload your WAV file
    Drag and drop your WAV 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.

Why Convert WAV to AU file?

If you’re managing audio assets for projects that must run on diverse hardware, converting WAV to AU offers practical benefits. AU is a simple, historically common format for PCM data with a minimal header, and it’s widely supported by legacy audio players and many Unix-based systems. By switching to AU, you reduce the risk that your sound won’t play on older hardware or in specific audio pipelines, making your assets more portable across platforms.

AU is also well-suited for certain development and production workflows, such as voice prompts for IVR systems, speech synthesis pipelines, or embedded devices that rely on straightforward PCM data. For teams distributing audio to Unix workstations, speech tools, or older game engines that expect AU, using this format can streamline compatibility and minimize playback quirks. The simple structure of AU tends to yield predictable decoding and stable playback in environments where newer codecs aren’t available.

While modern formats like WAV, MP3, and AAC dominate consumer apps, AU remains a practical choice in specific contexts. Converting WAV to AU can aid archival preservation for projects that require legacy format support and reduce dependency on a broad codec set in controlled deployments. In short, if your goal is reliable playback on older hardware or integration with Unix-based toolchains and voice-processing workflows, WAV to AU conversion unlocks real-world, actionable benefits.

Start converting WAV to AU now — it’s fast, safe, and completely online!

Frequently Asked Questions