Is it free to convert between WMA and AIFF?

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

.wma

.aiff

WMA vs AIFF

Compare Windows Media Audio and Audio Interchange File Format formats — understand the key differences and when to use each

Format Overview

WMA

Windows Media Audio

Windows Media Audio (.wma) is a audio file format.

.wmaaudio

AIFF

Audio Interchange File Format

Audio Interchange File Format (.aiff) is a audio file format.

.aiffaudio

WMA vs AIFF: Feature Comparison

Feature	WMA	AIFF
Full Name	Windows Media Audio	Audio Interchange File Format
File Extension	.wma	.aiff
Category	audio	audio
Free to Convert	✓ Yes	✓ Yes
Browser Support	✓ All Browsers	✓ All Browsers
Convert to Each Other	✓ Yes	✓ Yes

When to Use WMA vs AIFF

Use WMA when you need:

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

Use AIFF when you need:

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

Convert Between Them

WMA AIFF AIFF WMA

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Frequently Asked Questions

What is the difference between WMA and AIFF?

WMA (Windows Media Audio) and AIFF (Audio Interchange File Format) are both audio file formats. WMA files use the .wma extension while AIFF uses .aiff. They differ in compression, quality, compatibility, and intended use cases.

Can I convert WMA to AIFF for free?

Yes! Convert999 lets you convert WMA to AIFF 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, WMA or AIFF?

It depends on your use case. WMA (Windows Media Audio) may be better for certain workflows, while AIFF (Audio Interchange File Format) 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.

WMA Converter

Convert from WMA

AIFF Converter

Convert from AIFF

File Tools

Compress, resize, merge

Convert to WMA

All sources → WMA

Convert to AIFF

All sources → AIFF

Format Statistics

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Feature

WMA