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HomeWMA vs M4A
.wma
.m4a

WMA vs M4A

Compare Windows Media Audio and MPEG-4 Audio 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

M4A

MPEG-4 Audio

MPEG-4 Audio (.m4a) is a audio file format.

.m4aaudio

WMA vs M4A: Feature Comparison

FeatureWMAM4A
Full NameWindows Media AudioMPEG-4 Audio
File Extension.wma.m4a
Categoryaudioaudio
Free to Convert✓ Yes✓ Yes
Browser Support✓ All Browsers✓ All Browsers
Convert to Each Other✓ Yes✓ Yes

When to Use WMA vs M4A

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 M4A when you need:

  • •Files in MPEG-4 Audio format for specific workflows
  • •Optimized audio format features
  • •Modern format advantages and smaller file sizes

Convert Between Them

WMA M4AM4A WMA
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Learn More About These Formats

WMA Converter M4A Converter

Frequently Asked Questions

What is the difference between WMA and M4A?
WMA (Windows Media Audio) and M4A (MPEG-4 Audio) are both audio file formats. WMA files use the .wma extension while M4A uses .m4a. They differ in compression, quality, compatibility, and intended use cases.
Can I convert WMA to M4A for free?
Yes! Convert999 lets you convert WMA to M4A 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 M4A?
It depends on your use case. WMA (Windows Media Audio) may be better for certain workflows, while M4A (MPEG-4 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.

WMA Converter

Convert from WMA

M4A Converter

Convert from M4A

File Tools

Compress, resize, merge

Convert to WMA

All sources → WMA

Convert to M4A

All sources → M4A

Format Statistics

Trends & data 2025

More Format Comparisons

JPGvsPNGPNGvsWEBPJPGvsWEBPSVGvsPNGHEICvsJPGBMPvsJPGTIFFvsJPGGIFvsPNG