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HomeCAF vs AMR
.caf
.amr

CAF vs AMR

Compare Core Audio Format and Adaptive Multi-Rate Audio formats — understand the key differences and when to use each

Format Overview

CAF

Core Audio Format

Core Audio Format (.caf) is a audio file format.

.cafaudio

AMR

Adaptive Multi-Rate Audio

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

.amraudio

CAF vs AMR: Feature Comparison

FeatureCAFAMR
Full NameCore Audio FormatAdaptive Multi-Rate Audio
File Extension.caf.amr
Categoryaudioaudio
Free to Convert✓ Yes✓ Yes
Browser Support✓ All Browsers✓ All Browsers
Convert to Each Other✓ Yes✓ Yes

When to Use CAF vs AMR

Use CAF when you need:

  • •Files in Core Audio Format 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

CAF AMRAMR CAF
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Learn More About These Formats

CAF Converter AMR Converter

Frequently Asked Questions

What is the difference between CAF and AMR?
CAF (Core Audio Format) and AMR (Adaptive Multi-Rate Audio) are both audio file formats. CAF files use the .caf extension while AMR uses .amr. They differ in compression, quality, compatibility, and intended use cases.
Can I convert CAF to AMR for free?
Yes! Convert999 lets you convert CAF 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, CAF or AMR?
It depends on your use case. CAF (Core Audio Format) 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.

CAF Converter

Convert from CAF

AMR Converter

Convert from AMR

File Tools

Compress, resize, merge

Convert to CAF

All sources → CAF

Convert to AMR

All sources → AMR

Format Statistics

Trends & data 2025

More Format Comparisons

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