Convert AMR to CAF

Convert AMR files to CAF format online for free. No upload required, 100% private.

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AMRCAFQuality Note

Converting from AMR (lossy) to CAF (Lossless) will increase file size but will NOT improve audio quality. The quality lost during the original compression cannot be recovered.

About AMR

AMR

Adaptive Multi-Rate Audio Codec

AMR is a speech audio codec optimized for voice recording. It is commonly used in mobile phones for voice memos and MMS messages.

Extension
.amr
Developed By
ETSI
Released
1999
Compression
Lossy

Typical Use Cases

Voice recordingMobile phone audioMMS messagesVoIP

Pros

  • • Very small file size
  • • Optimized for speech
  • • Mobile device support

Cons

  • • Poor music quality
  • • Speech only
  • • Limited compatibility

About CAF

CAF

Core Audio Format

CAF is a flexible audio container format developed by Apple. It can store any audio format supported by Core Audio and has no file size limitations.

Extension
.caf
Developed By
Apple Inc.
Released
2005
Compression
Lossless

Typical Use Cases

iOS developmentMac audio appsLong recordingsProfessional audio

Pros

  • • No size limit
  • • Flexible codec support
  • • Apple ecosystem

Cons

  • • Apple only
  • • Limited cross-platform
  • • Requires conversion for sharing