How do you generate PDFs in Webflow Cloud without Puppeteer or external services?

Webflow Cloud can generate PDFs directly within a Next.js application using the pure-JavaScript, Workers-compatible pdf-lib library, avoiding external document services, API keys, and recurring costs for common use cases such as invoices, contracts, and certificates. The proposed architecture uses a client-side form to submit structured data to a Route Handler, which validates the request, calls a separate PDF drawing module, and returns PDF bytes for browser preview or download; generated files can optionally be stored in Webflow Cloud Object Storage with metadata references in Key Value Store. Because Webflow Cloud’s Workers environment cannot run Chromium-based tools such as Puppeteer or libraries dependent on Node.js internals, documents must be drawn programmatically rather than rendered from HTML, producing deterministic and fast output. The guide covers package installation, font support, page layout using coordinate-based drawing, hosting the form in a Webflow Cloud page, and common issues including unsupported dependencies, unregistered custom fonts, text overflow, pagination, and incorrect binary response handling. The same modular design can support additional document types, CMS-sourced data, authenticated access, document archives, and filling existing PDF templates.

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