High-Fidelity HTML to PDF API for Developers
The ultimate PDF generation API that converts complex CSS3 & JavaScript into pixel-perfect documents. Dynamic variables, automated document generation, and scalable API access—ready for e-signature workflows.
The Complete HTML to PDF API Solution
Everything you need for scalable document automation. High-fidelity PDF generation, dynamic templates, and a developer-friendly REST API for invoices, reports, and contracts.
Pixel-Perfect Rendering
Stop fighting with PDFs that don't match your design. Full CSS3, JavaScript, and Chart.js support for pixel-perfect output every time.
Document Automation
Eliminate manual document creation. Use {{variables}} to generate thousands of invoices, contracts, and reports automatically with QR codes.
Built for Scale
No more timeouts or slow queues. Sub-2s rendering, cloud storage, and real-time webhooks handle any volume without breaking a sweat.
Developer Experience
Ship faster with a simple REST API. Complete documentation, code examples, and secure API keys get you from zero to production in minutes.
Why PDF-Sign?
Skip the infrastructure headaches. See how PDF-Sign compares to self-hosted and competing solutions.
| PDF-Sign | Puppeteer | DocRaptor | WeasyPrint | |
|---|---|---|---|---|
| Setup | API call, no infra | Chrome + server | API call | Python server |
| CSS3 Support | ||||
| JavaScript Support | ||||
| Template Variables | ||||
| Server Maintenance | None | You manage Chrome | None | You manage deps |
| Response Time | < 2s | 5-30s | 3-10s | 2-10s |
| Pricing | From €9/mo | Free + server cost | From $15/mo | Free + server cost |
vs Puppeteer
No server setup, no Chrome dependency, no memory leaks to manage. Just an API call.
vs DocRaptor
Better pricing, full JavaScript support, and a modern template system with dynamic variables.
vs WeasyPrint
No Python server to maintain. Full JavaScript and CSS3 support out of the box.
Scalable Document Automation Use Cases
Our PDF generation API powers automated document workflows across industries—from invoice PDFs and reports to legal contracts and certificates.
Invoice PDF API
Automate invoice generation with dynamic line items, tax calculations, and customer details. Our PDF reporting API is perfect for e-commerce, SaaS billing, and accounting systems.
Certificate Generation
Create high-fidelity certificates for course completions, achievements, and credentials. Dynamic document generation with personalized recipient data.
Receipt Automation
Server-side PDF generation for every transaction. Integrate with payment gateways to automatically send branded receipts via our document API.
API for Legal Contracts
Streamline contract creation with reusable HTML templates. Populate party details, terms, and clauses dynamically for NDAs, service agreements, and legal documents.
PDF Reporting API
Automate report generation from your data. Create weekly summaries, compliance reports, or client dashboards with our scalable document automation API.
Automated Notifications
Send personalized letters at scale. From appointment confirmations to policy updates, maintain professional communication with templated PDF documents.
Event Tickets & Badges
Generate tickets with unique QR codes for event check-in, access control, and attendee tracking. Perfect for conferences, concerts, and corporate events.
Data Visualization Reports
Create professional reports with embedded Chart.js graphs. Weekly dashboards, analytics summaries, and financial reports with dynamic visualizations.
Start Your Document Automation Today
Convert your HTML templates to pixel-perfect PDFs with our API. Full CSS3 support, dynamic variables, and sub-2-second rendering.
Need a custom solution? Contact our sales team