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HomeCAF vs M4A
.caf
.m4a

CAF vs M4A

Compare Core Audio Format and MPEG-4 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

M4A

MPEG-4 Audio

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

.m4aaudio

CAF vs M4A: Feature Comparison

FeatureCAFM4A
Full NameCore Audio FormatMPEG-4 Audio
File Extension.caf.m4a
Categoryaudioaudio
Free to Convert✓ Yes✓ Yes
Browser Support✓ All Browsers✓ All Browsers
Convert to Each Other✓ Yes✓ Yes

When to Use CAF vs M4A

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 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

CAF M4AM4A CAF
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CAF Converter M4A Converter

Frequently Asked Questions

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

CAF Converter

Convert from CAF

M4A Converter

Convert from M4A

File Tools

Compress, resize, merge

Convert to CAF

All sources → CAF

Convert to M4A

All sources → M4A

Format Statistics

Trends & data 2025

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