Is it free to convert between APE and AU?

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

.ape

.au

APE vs AU

Compare Monkey's Audio and Sun Audio formats — understand the key differences and when to use each

Format Overview

APE

Monkey's Audio

Monkey's Audio (.ape) is a audio file format.

.apeaudio

AU

Sun Audio

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

.auaudio

APE vs AU: Feature Comparison

Feature	APE	AU
Full Name	Monkey's Audio	Sun Audio
File Extension	.ape	.au
Category	audio	audio
Free to Convert	✓ Yes	✓ Yes
Browser Support	✓ All Browsers	✓ All Browsers
Convert to Each Other	✓ Yes	✓ Yes

When to Use APE vs AU

Use APE when you need:

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

Use AU when you need:

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

Convert Between Them

APE AU AU APE

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Frequently Asked Questions

What is the difference between APE and AU?

APE (Monkey's Audio) and AU (Sun Audio) are both audio file formats. APE files use the .ape extension while AU uses .au. They differ in compression, quality, compatibility, and intended use cases.

Can I convert APE to AU for free?

Yes! Convert999 lets you convert APE to AU 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, APE or AU?

It depends on your use case. APE (Monkey's Audio) may be better for certain workflows, while AU (Sun Audio) 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.

APE Converter

Convert from APE

AU Converter

Convert from AU

File Tools

Compress, resize, merge

Convert to APE

All sources → APE

Convert to AU

All sources → AU

Format Statistics

Trends & data 2025

More Format Comparisons

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Feature

APE

Full Name