Is it free to convert between AU and VOC?

Yes, Convert999 is 100% free. All conversions happen locally in your browser with no file size limits, no registration, and no watermarks.

.au

.voc

AU vs VOC

Compare Sun Audio and Creative Voice formats — understand the key differences and when to use each

Format Overview

AU

Sun Audio

Sun Audio (.au) is a audio file format.

.auaudio

VOC

Creative Voice

Creative Voice (.voc) is a audio file format.

.vocaudio

AU vs VOC: Feature Comparison

Feature	AU	VOC
Full Name	Sun Audio	Creative Voice
File Extension	.au	.voc
Category	audio	audio
Free to Convert	✓ Yes	✓ Yes
Browser Support	✓ All Browsers	✓ All Browsers
Convert to Each Other	✓ Yes	✓ Yes

When to Use AU vs VOC

Use AU when you need:

•Files in Sun Audio format for maximum compatibility
•Industry-standard audio format support
•Wide software and platform compatibility

Use VOC when you need:

•Files in Creative Voice format for specific workflows
•Optimized audio format features
•Modern format advantages and smaller file sizes

Convert Between Them

AU VOC VOC AU

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Frequently Asked Questions

What is the difference between AU and VOC?

AU (Sun Audio) and VOC (Creative Voice) are both audio file formats. AU files use the .au extension while VOC uses .voc. They differ in compression, quality, compatibility, and intended use cases.

Can I convert AU to VOC for free?

Yes! Convert999 lets you convert AU to VOC completely free, directly in your browser. No file upload to any server, no registration needed — your files stay private on your device.

Which is better, AU or VOC?

It depends on your use case. AU (Sun Audio) may be better for certain workflows, while VOC (Creative Voice) excels in others. Consider factors like file size, quality, software compatibility, and your specific needs.

Is it safe to convert files on Convert999?

Absolutely. Convert999 processes all files 100% locally in your browser. Your files are never uploaded to any server, ensuring complete privacy and security.

AU Converter

Convert from AU

VOC Converter

Convert from VOC

File Tools

Compress, resize, merge

Convert to AU

All sources → AU

Convert to VOC

All sources → VOC

Format Statistics

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More Format Comparisons

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Feature

VOC

Full Name