Convert CAF to M4B
Convert CAF files to M4B format online for free. No upload required, 100% private.
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CAFM4BSize Reduction
Converting from CAF (Lossless) to M4B (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 M4B
M4B
MPEG-4 Audiobook
M4B is an audiobook format based on MPEG-4. It supports chapters, bookmarks, and is the standard format for iTunes and Audible audiobooks.
Extension
.m4b
Developed By
Apple Inc.
Released
2001
Compression
LossyTypical Use Cases
AudiobooksPodcasts with chaptersLong-form audio content
Pros
- • Chapter support
- • Bookmark support
- • Good compression
Cons
- • Limited to Apple ecosystem
- • Not universal
- • Requires specific players