Lacuna
Desktop book-formatting software for print and eBook publishing.
At a glance
- Editor score7.0 / 10
- PricingFrom $149
- Best forHigh-end offline book conversion
- Free planNo
- EPUB exportYes
- Facts checked20 Sep 2026
Where it wins
- Imports DOCX manuscripts with automatic section detection
- Exports retailer-specific EPUBs and print-ready PDF/X-1a files
- Processes documents locally with preflight and device previews
Where it doesn't
- Final PDF and EPUB generation requires a paid license
- Supports only Windows and macOS
- No AI features are included
Our verdict on Lacuna
Lacuna is desktop publishing software for authors and small publishing teams converting DOCX manuscripts into finished eBooks and print files. It imports manuscripts with automatic section detection, applies premade or custom styles, handles layouts, and exports EPUB 2.0, EPUB 3.0, and print-ready PDF/X-1a files. Its local processing model suits publishers who want book production to remain offline on Windows or macOS, rather than working in a browser or a broader design suite.
Pricing is based on one-time machine licenses. The 1 Machine plan costs $149 and includes professional e-book and print formatting, Windows and Mac support, and lifetime updates. The 2 Machines plan costs $239, while the 3 Machines plan costs $339; both include the same listed capabilities and lifetime updates. A free, no-time-limit version supports evaluation, but final PDF and EPUB generation requires payment. This structure fits authors and small teams who prefer a perpetual purchase, though the starting price is significant for a book-focused application.
Lacuna’s strongest area is the conversion workflow. Pre-export preflight checks, automatic image compression, real EPUB rendering, device previews, and store-specific EPUB export address common steps between manuscript and distribution file. Offline, local document processing is also useful for teams that want files handled on their own machines. The trade-off is focus: Lacuna is aimed at book formatting rather than general desktop publishing, and it does not include AI features. Choose it for controlled, offline book conversion across Windows and Mac; consider another tool if you need a broader publishing system or want final exports before purchasing.
Lacuna pricing
All 3 Lacuna plans and prices →
Lacuna fact sheet
| Free plan | No |
|---|---|
| Paid from | Not verified |
| Supported platforms | Windows, macOS |
| PDF export | Yes |
| EPUB export | Yes |
| Master pages | Not verified |
| Preflight tools | Yes |
| Color management | Yes |
| Collaboration level | Not verified |
| Money-back guarantee | 14 days |
| Deployment | Desktop |
| Platforms | Windows, macOS |
| Support | |
| Built for | Solo, Small business (editorial estimate) |
| Pricing | From $149 (source) |
| Website | lacuna.pub |
| Facts checked | 20 Sep 2026 |
Alternatives to Lacuna
- AffinityA broad desktop publishing suite for design, editing, layout, and print output without a subscription.5.0
- Adobe InDesignA focused choice for multipage layouts, typography, prepress, and PDF production.4.0
- QuarkXPressA full-featured desktop publisher for teams producing print and digital content.—
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Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026
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