Download Lacuna
Get the latest version and start formatting your book today.
Welcome to Lacuna Book Formatter, the desktop application for Windows and Mac that transforms your manuscript into a professional, publication-ready book. Whether you’re an indie author, publisher, or first-time writer, Lacuna eliminates the complexity of book design.
Formatting a book for publication is tedious and error-prone. Lacuna takes care of the complexity behind creating EPUBs and print-ready PDFs so you can focus on your content. No more cryptic distributor errors or hours spent troubleshooting file rejections. Lacuna handles the technical details behind the scenes so your files work the first time.
Download Lacuna
Get the latest version and start formatting your book today.
Purchase License
Choose your plan and unlock all features.
Lacuna guides you through a streamlined process from manuscript to published book:
1. Import Your Manuscript
Import your .docx file and let Lacuna automatically detect chapters and sections, organizing everything into manageable pieces.
You’ll learn:
2. Structure Your Book
Organize content using flexible sections. Add title pages, copyright information, table of contents, and dedications in the correct order.
You’ll discover:
3. Style Your Book
Apply professional styles and customize typography, spacing, and decorative elements to match your book’s genre and tone.
You’ll explore:
4. Export Your Book
Generate industry-standard EPUB and print-ready PDF files for KDP, Apple Books, IngramSpark, and other platforms.
You’ll accomplish:
Ready to format your book? Download Lacuna and import your manuscript to get started.