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Split M4B by Chapter

Split an M4B audiobook into chapter audio files using its embedded chapter markers.

or drop files anywhere

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What kind of data gets extracted?

We can only extract content that is present in the original file.

  • Chapter audio

    Chapter audio files split from markers.

Frequently Asked Questions

Does this need chapter markers?

Yes. The M4B must contain embedded chapters.

How much does it cost?

Chapter splitting uses the higher of duration and file size: 1 credit per 5 minutes or 5 MB.

Does this transcribe the audiobook?

No. It splits existing audio by embedded timestamps.

What's New in Split M4B by Chapter

Latest improvements to this extractor

Last updated Jun 12, 2026
  • Initial version of Split M4B by Chapter tool.