Convert CAF to M4R
Convert CAF files to M4R format online for free. No upload required, 100% private.
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CAFM4RSize Reduction
Converting from CAF (Lossless) to M4R (lossy) will significantly reduce file size. Some audio quality will be lost, but the difference is often imperceptible at higher bitrates.
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
LosslessTypical 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
About M4R
M4R
iPhone Ringtone Format
M4R is the ringtone format used by Apple iPhones. It is essentially an M4A file with a different extension, limited to 40 seconds for ringtones.
Extension
.m4r
Developed By
Apple Inc.
Released
2007
Compression
LossyTypical Use Cases
iPhone ringtonesiOS alert tonesCustom notification sounds
Pros
- • Native iPhone support
- • Easy to create from M4A
- • Good audio quality
Cons
- • iPhone only
- • 40 second limit
- • Requires iTunes for transfer