Calcular Ancho de Lomo
Calcule el grosor del lomo en milímetros según las páginas y gramaje del papel, y genere una plantilla de portada con líneas de hendido.
Configuración del lomo de encuadernación
Designed for Trust and Speed
PDFRunway handles your documents locally, keeping data secure and processing lightning-fast.
Easy to Use
Simple 3-step processes designed for speed, clarity, and non-technical users.
Fast & Reliable
High-performance local compilation keeps processing fast, secure, and responsive.
100% Secure
Your documents never leave your browser. Zero uploads, 100% client-side privacy.
Works Anywhere
Access the full suite on any browser, system, desktop, or mobile device.
Cómo usar
Follow these three simple steps to process your file in seconds.
Set pages & stock type
Input document page count and select the target paper stock specifications.
Input spine text
Enter book titles, author details, and customize spine/cover backgrounds.
3D Preview & Export
Spin and inspect your book cover in an interactive 3D binder. Export high-resolution vector PDF.
Acerca de esta herramienta
The PDF Spine Bookbinder is a pre-press savior for designers, self-publishing authors, and commercial bidding teams.
When compiling thick book catalogs, bidding proposals, or annual directories, perfect binding (glue binding) requires a cover with precise spine coordinates. If the spine width is off by even 1mm, the bound cover will warp, shift, or crease. Calculating page counts against paper weight is complex and error-prone.
This tool utilizes a physically modeled GSM paper-to-thickness library. Simply input your PDF page count and select paper stock (e.g. 80 GSM offset, 100 GSM glossy). The engine calculates spine width down to micrometers and compiles a print-ready, extra-wide cover PDF complete with standard front/back flaps and precise fold mark creases.
Casos de uso
Thick Bidding Proposals
Design professional cover sheets with precise spine crease alignments for thick tender bids.
Thesis Hardcover Binding
Map out perfect spine layout widths for university master/doctorate degree theses.
Self-Publishing Novel Covers
Calculate book spine width easily before submitting files to Print-on-Demand publishing services.
Preguntas frecuentes
Have questions? Find quick answers about this tool here.
Highly accurate. Our physics library matches industry averages (e.g. 70 GSM = 0.09mm, 80 GSM = 0.10mm, 150 GSM glossy = 0.125mm). We also include a "Double-sided printing" toggle to halve calculations automatically.
Yes. The files are vector-perfect PDFs carrying standard registration marks, color bars, and spine guides, fully compliant with offset and digital commercial presses.
Yes. You can upload custom layouts, and our compositor will wrap and align the graphics across the spine folds automatically.