Convert M4B to AIF

Convert M4B files to AIF format online for free. No upload required, 100% private.

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M4BAIFQuality Note

Converting from M4B (lossy) to AIF (Uncompressed) will increase file size but will NOT improve audio quality. The quality lost during the original compression cannot be recovered.

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
Lossy

Typical 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

About AIF

AIF

Audio Interchange File

AIF is the short extension variant of AIFF, functionally identical. It is used interchangeably with AIFF for uncompressed audio on Apple systems.

Extension
.aif
Developed By
Apple Inc.
Released
1988
Compression
Uncompressed

Typical Use Cases

Mac audio productionProfessional editingLegacy compatibility

Pros

  • • Lossless quality
  • • Mac native support
  • • Professional use

Cons

  • • Large file size
  • • Limited cross-platform support
  • • Outdated for distribution