SplitDoctor — Split Your Manuscript Into Chapters
Instantly break a long manuscript into clean chapters and sections, exported to DOCX and Markdown. A free supporting tool from PublishJockey, built for self-publishing authors.
Stop splitting your book by hand
Most manuscripts start life as a single, sprawling Word document. But a real book needs structure — each chapter as its own clean section. Doing that by hand means endless copy-paste, inconsistent formatting and file names that never quite line up. SplitDoctor does it for you in seconds.
Upload your document and SplitDoctor reads its heading structure, separates it into individual chapters and sections, and hands you back tidy DOCX and Markdown files. The Markdown imports straight into PublishJockey, where you can format and export a publisher-grade book — PDF, EPUB and DOCX — through our XeLaTeX pipeline.
Automatic chapter splitting
Turn one long manuscript into individual chapter and section files based on your heading structure — no manual copy-paste.
DOCX + Markdown output
Download both Word and Markdown versions of every section, neatly packaged in a single ZIP.
Ready for the editor
Markdown output imports directly into the PublishJockey editor, so you go from raw manuscript to formatted book fast.
Clean, consistent files
Consistent naming and structure across every chapter, ready for a professional publishing workflow.
Who SplitDoctor is for
• Self-publishing authors turning a finished draft into a structured, print-ready book.
• Authors migrating from Word who want clean Markdown for a modern publishing workflow.
• Anyone exploring alternatives to Vellum, Atticus or Scrivener who needs a faster way to prepare manuscript files.
• Editors and formatters handling large documents that must be broken into per-chapter files.
Frequently asked questions
What does SplitDoctor do?
SplitDoctor takes a long manuscript and splits it into clean, individual chapters and sections, then exports them as DOCX and Markdown files. It removes the tedious copy-paste work of breaking a single document into the structure a book needs.
What file types can I upload?
SplitDoctor accepts Word documents (.docx) and produces both DOCX and Markdown (.md) output, packaged as a downloadable ZIP. Markdown is ideal for importing straight into the PublishJockey editor.
How does it decide where to split the manuscript?
It detects heading structure in your document — chapter titles and section headings — and uses those break points to separate the manuscript into discrete files, one per section.
Is SplitDoctor free to use?
Yes. SplitDoctor is a free supporting tool for PublishJockey users. Create a free account to start splitting manuscripts; no credit card is required to try it.
How is SplitDoctor different from manually splitting a document?
Manually splitting a book means copying each chapter into a new file, fixing formatting, and naming everything consistently. SplitDoctor does all of that in seconds and gives you clean Markdown that drops directly into a publishing workflow.
What happens to my manuscript after processing?
Your document is processed securely and is not shared. PublishJockey is privacy-focused: your work stays yours.
How do I use the files with PublishJockey?
The Markdown files SplitDoctor produces import directly into the PublishJockey editor, where you can format and export your book to publisher-grade PDF, EPUB and DOCX via the XeLaTeX pipeline.
Ready to split your manuscript?
Create your free account