Momovu
Preview book PDFs before print and publication
Momovu is a PDF margin visualization tool designed for publishers and book designers. It provides real-time preview of safety margins, spine widths, and dustjacket layouts to ensure proper formatting before sending books to print.
Website: https://momovu.org
Source Code: https://spacecruft.org/books/momovu
Watch Momovu in action:
Video showcasing document types and features
Momovu displaying a dustjacket with all visual overlays
Key Features
Multiple Document Types: Support for interior pages, covers, and dustjackets
Interactive Navigation: Zoom, pan, and navigate through pages with ease
Presentation Mode: Full-screen presentation for reviewing layouts
Side-by-Side View: View pages in spreads as they would appear in print
Configurable Margins: Customizable safety margins and spine dimensions
Visual Overlays: Toggle trim lines, safety margins, fold lines, barcode areas, and bleed lines
Performance Optimized: Efficient rendering with viewport culling and scene management
Document Types
Interior Pages
Preview safety margins for book content
Side-by-side spread view
Spine line visualization in dual-page mode
Covers
Front and back cover visualization
Spine width calculation based on page count
Barcode area placement
Fold line indicators
Dustjackets
Complete dustjacket layout preview
Flap dimensions and safety margins
Spine width with bleed areas
Fold lines for all edges