Is it free to convert between AU and APE?

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

.au

.ape

AU vs APE

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

Format Overview

AU

Sun Audio

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

.auaudio

APE

Monkey's Audio

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

.apeaudio

AU vs APE: Feature Comparison

Feature	AU	APE
Full Name	Sun Audio	Monkey's Audio
File Extension	.au	.ape
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 APE

Use AU when you need:

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

Use APE when you need:

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

Convert Between Them

AU APE APE AU

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Learn More About These Formats

AU Converter APE Converter

Frequently Asked Questions

What is the difference between AU and APE?

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

Can I convert AU to APE for free?

Yes! Convert999 lets you convert AU to APE 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 APE?

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

AU Converter

Convert from AU

APE Converter

Convert from APE

File Tools

Compress, resize, merge

Convert to AU

All sources → AU

Convert to APE

All sources → APE

Format Statistics

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Feature

APE

Full Name