ChapterForge (Windows)
Transform scattered MP3s, podcasts, and lectures into polished M4B audiobooks
Stop wrestling with scattered MP3 files.
ChapterForge takes any folder of mp3 audio to audiobooks, podcasts, lecture series—and transforms it into a professional M4B file.
Crisp chapter markers. Rich metadata. Stunning cover art. Done.
Everything runs 100% locally using broadcast-grade FFmpeg. Faster processing. Better quality. Complete control.
Drag-and-drop editing. Automatic metadata import. Powerful batch queues. Whether you're a podcast listener organizing downloads, a creator packaging audio content, or a collector building your library, ChapterForge handles it.
Built for Windows 10 and 11. Your files never leave your machine.

Screenshots






Features
Intelligent Import & Metadata Editor
Automatically scan folders of MP3s, map tags such as album/title and artist/author and fine‑tune metadata before conversion.
Chapter Management
Drag‑and‑drop chapters to reorder them, auto‑number chapters and apply prefixes or suffixes across multiple chapters.
Automatic Cover Art
Finds and applies embedded or folder‑based cover art automatically so your finished M4B looks professional.
Professional Audio Conversion
Single‑pass conversion using FFmpeg produces pristine M4B files with configurable AAC bitrates and chapter markers.
Batch Queue & Priority
Add multiple projects to the queue, set processing priorities and let ChapterForge handle large jobs efficiently.
Master Output Directory
Specify one output folder for all of your projects to keep your converted library organized.
Privacy First
All processing is done locally on your device — there are no uploads and privacy safe, and you retain complete ownership of your files.
System Requirements
Windows
Windows 10 or later