Can I convert AC3 to AU in bulk for free?

Yes. Free users can batch-convert multiple files. Simply drag all your AC3 files into the converter at once. PRO users get higher batch limits and priority processing.

What's the difference between AC3 and AU?

Dolby AC3 Audio is dolby digital 5.1 surround sound format. AU Audio is sun/unix audio format for basic audio on unix systems. Key difference: Dolby AC3 Audio excels at industry standard surround sound for DVD and broadcast, while AU Audio offers simple format with wide Unix/Linux tool support.

How does the AC3 to AU conversion work technically?

Xonvert uses WebAssembly-compiled libraries to decode your AC3 file in-browser, process the audio data, and re-encode it as AU. All processing happens on your device's CPU.

What happens to my files after conversion?

Nothing — your files exist only in your browser's memory during conversion. Once you close the page, all data is cleared. No files are stored anywhere.

Dolby AC3 Audio is Dolby Digital 5.1 surround sound format. It is primarily used for DVD audio tracks, digital TV broadcast and cinema sound. Also known as Dolby Digital and A/52

Will the conversion strip my EXIF or metadata?

Xonvert preserves metadata (EXIF, XMP, ID3, etc.) when the target AU format supports it. You can optionally strip metadata in the settings for smaller, cleaner output files.

Does the conversion preserve metadata?

Xonvert preserves compatible metadata fields when converting between formats. Some format-specific metadata may not carry over if the target format doesn't support it.

Convert AC3 to AU

Fast, free, and secure AC3 to AU conversion. No registration required.

ac3

Audio

Fast, free, and secure AC3 to AU conversion. No registration required.

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Related Conversions

AC3→MP3

AC3→WAV

AC3→AAC

High Quality

Maintain maximum quality during conversion

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How to Convert AC3 to AU

Upload AC3 File

Click the "Select File" button to upload your ac3 file from your device.

Start Conversion

Click the "Convert" button to instantly start converting to AU.

Download AU

Download your converted au file immediately after processing.

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