ChapterSplit

ChapterSplit helps you split long audiobook in large MP3, M4A, AAC, FLAC, WAV, and OGG files into individual chapter files--fast, locally, and with full control.

Split the way your files support

Chapters (Metadata): Uses embedded chapter markers when present

Silence Detection: Finds natural breaks between chapters

Auto: Tries chapter metadata first, then falls back to silence detection

Built for real-world audiobooks

Preserve cover art in your output files

Chapter numbering (2-digit or 3-digit) and track numbers

Continue numbering across multiple input files

Optional Safer Encoding for maximum compatibility

Supported formats

Import common audio formats including MP3, M4A, AAC, FLAC, WAV, and OGG.

Privacy-first

Processing happens locally on your Mac—your files stay with you.

Free & Pro

Free mode supports up to 2 Chapter per files; upgrade to Pro for unlimited splitting.

Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/