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HomeM4A vs WMA
.m4a
.wma

M4A vs WMA

Compare MPEG-4 Audio and Windows Media Audio formats — understand the key differences and when to use each

Format Overview

M4A

MPEG-4 Audio

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

.m4aaudio

WMA

Windows Media Audio

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

.wmaaudio

M4A vs WMA: Feature Comparison

FeatureM4AWMA
Full NameMPEG-4 AudioWindows Media Audio
File Extension.m4a.wma
Categoryaudioaudio
Free to Convert✓ Yes✓ Yes
Browser Support✓ All Browsers✓ All Browsers
Convert to Each Other✓ Yes✓ Yes

When to Use M4A vs WMA

Use M4A when you need:

  • •Files in MPEG-4 Audio format for maximum compatibility
  • •Industry-standard audio format support
  • •Wide software and platform compatibility

Use WMA when you need:

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

Convert Between Them

M4A WMAWMA M4A
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Learn More About These Formats

M4A Converter WMA Converter

Frequently Asked Questions

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

M4A Converter

Convert from M4A

WMA Converter

Convert from WMA

File Tools

Compress, resize, merge

Convert to M4A

All sources → M4A

Convert to WMA

All sources → WMA

Format Statistics

Trends & data 2025

More Format Comparisons

JPGvsPNGPNGvsWEBPJPGvsWEBPSVGvsPNGHEICvsJPGBMPvsJPGTIFFvsJPGGIFvsPNG