Step 1
Send JSON payload
Post data from your backend or automation flow.
v2.0 now live: JSON to PDF rendering
Turn structured JSON into production-ready PDFs
PDFmancer converts structured data into consistent PDF documents with deterministic layouts, template versioning, and developer-first APIs.
No credit card required. Free beta access while we onboard early teams.
Render speed
0.4s / page
JSON to PDF pipeline
Rendering invoice-v4.json
Schema validation100%
Layout composition100%
Generated document
Invoice #1042
Customer: Acme Corp
Total: $1,290.45
Conversion
JSON to PDF rendered
From payload to production PDF in minutes
Build resilient document pipelines with one API call. Validate, render, and deliver consistent output across your stack.
Your JSON payload
{
"template": "invoice-v4",
"data": {
"customer": "Acme Corp",
"total": 1290.45,
"items": [
{ "name": "Support", "amount": 900 },
{ "name": "Usage", "amount": 390.45 }
]
}
}Step 2
Render pipeline
PDFmancer validates schema and renders deterministic output.
Step 3
Deliver at scale
Return PDF bytes, store template versions, and automate document workflows.
Built for teams shipping document automation
Explore use casesStructured JSON input
Define document content and layout as data, not brittle templates. Keep your rendering logic versioned and auditable.
Reliable PDF output
Generate invoices, reports, agreements, and receipts with deterministic rendering you can trust in production.
Agent-ready workflows
Automate onboarding and rendering from your agents or internal tools with a clear API-first integration path.