Build chaptered M4B audiobooks from any audio files on your Mac. Drop your files in, arrange chapters, and export. Available on the Mac App Store.
Download on Mac App StoreRecord your classes or download course audio. Combine an entire semester's lectures into one chaptered audiobook for review on the go.
Turn a finished podcast season into a single file. Each episode becomes a chapter you can skip between in Apple Books or Prologue.
Organize language lessons by unit or level. FLAC, MP3, WAV, it doesn't matter. Everything merges into one M4B with chapters.
Family recordings, voice memos, interview archives. Bind them into a chaptered audiobook you can keep in your library forever.
Drag MP3, M4A, WAV, FLAC, AIFF, or AAC files into the app. You can also drop entire folders.
Reorder chapters by dragging. Rename them, add a cover image, and fill in title and author metadata.
Click export. The app produces a single M4B file with embedded chapters at 128 kbps AAC. Open it in Apple Books, add it to Plex, or load it into BookPlayer.
It's a one-time purchase on the Mac App Store. No subscriptions, no in-app purchases.
MP3, M4A, M4B, WAV, FLAC, AIFF, and AAC. You can mix different formats in the same project.
Yes. Open multiple projects simultaneously. Each one auto-saves, so you can close and reopen without losing progress.
No. Everything runs locally on your Mac. No accounts and no cloud processing. Your data stays on your machine.
Any app that supports M4B. That includes Apple Books, Plex, Prologue, Audiobookshelf, and BookPlayer.
One-time purchase · No subscriptions · Works offline
Download on Mac App Store