Complete Book Formatting
Import, organize, and format your entire manuscript with professional themes and layouts.
Lacuna Trial vs Full Version
Format your entire book for free - test every feature, perfect your design, then purchase only when ready to generate your final EPUB and print-ready PDF.
Trial Mode: Everything Except Final Export
Live Device Preview
See exactly how your book looks across 7 different e-readers and tablets.
Advanced Editing Tools
Search, replace, and organize with project-wide tools and drag-and-drop sections.
Style Customization
Design your book’s appearance with real-time visual feedback and professional templates.
What You Get FREE During Trial
- Format your entire book - Chapters, dialogue, images, everything
- Professional styles - Beautiful, publisher-quality layouts
- Live preview - See your final book on every device type
- Complete editing suite - Search, organize, and perfect your content
- Unlimited time - No trial expiration, format as many books as you want
Ready to Publish? One Click Away
The only difference in the full version: Generate your publication-ready EPUB and print-ready PDF files.
- EPUBCheck validated - Passes all industry publishing standards
- Platform ready - Works on Amazon, Draft2Digital, and all distributors
- Professional metadata - ISBN integration and complete publishing details
Get Your Publishing License
Satisfied with your formatted book? Purchase your lifetime license to unlock EPUB and PDF generation.
Purchase License
Ready to publish? Visit lacuna.pub/pricing for your lifetime license.
After purchase, see Managing Your License for activation.
Perfect your book first, purchase only when ready to publish.