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PDFx – Lightning-Fast REST API for Privacy-First PDF Generation (Factur-X Ready)
Generate stunning, compliant PDFs in under 100ms via a dead-simple RESTful API. No data stored, no servers touched, just instant results. Beta now: 200 free PDFs/month forever.
Powered by an optimized Lua engine on 100% renewable energy, PDFx turns JSON + templates into PDF/A-3 files that embed machine-readable XML for seamless automation. Perfect for EU e-invoicing without the ZUGFeRD headaches.

PDFxInstant PDF/A-3 invoices via a single REST API call
BONNAURE Olivierleft a comment
For years I struggled to find a truly fast and lightweight way to generate PDFs programmatically. Most tools out there are just HTML-to-PDF converters → bloated, slow, and resource-hungry. So I built my own PDF generation engine from scratch… in pure Lua. Result? → Thousands of PDFs per second on a single server → Sub-100 ms latency → Zero dependencies, tiny memory footprint → No user data ever...

PDFxInstant PDF/A-3 invoices via a single REST API call
