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HomeWMA vs AMR
.wma
.amr

WMA vs AMR

Compare Windows Media Audio and Adaptive Multi-Rate 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

AMR

Adaptive Multi-Rate Audio

Adaptive Multi-Rate Audio (.amr) is a audio file format.

.amraudio

WMA vs AMR: Feature Comparison

FeatureWMAAMR
Full NameWindows Media AudioAdaptive Multi-Rate Audio
File Extension.wma.amr
Categoryaudioaudio
Free to Convert✓ Yes✓ Yes
Browser Support✓ All Browsers✓ All Browsers
Convert to Each Other✓ Yes✓ Yes

When to Use WMA vs AMR

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 AMR when you need:

  • •Files in Adaptive Multi-Rate Audio format for specific workflows
  • •Optimized audio format features
  • •Modern format advantages and smaller file sizes

Convert Between Them

WMA AMRAMR WMA
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Learn More About These Formats

WMA Converter AMR Converter

Frequently Asked Questions

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

AMR Converter

Convert from AMR

File Tools

Compress, resize, merge

Convert to WMA

All sources → WMA

Convert to AMR

All sources → AMR

Format Statistics

Trends & data 2025

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