API v1
PDF Conversion API.
A simple, fast REST API for integrating document conversion into any application. Process files from URLs or direct uploads. Get download links in the response.
27+
Conversion types
100ms
Avg response time
99.99%
API uptime SLA
Authentication
Include your API key in the Authorization header as a Bearer token.
Authorization: Bearer YOUR_API_KEY Convert endpoint
POST https://api.pdfgeneratorfree.com/v1/convert
// Request body (JSON)
{
"from": "pdf", // source format
"to": "docx", // target format
"file_url": "https://...", // OR use multipart/form-data
"quality": "high", // "low" | "medium" | "high"
"ocr": false, // enable OCR for scanned PDFs
"webhook_url": "..." // optional webhook
}
// Response
{
"id": "conv_abc123",
"status": "complete",
"download_url": "https://cdn.pdfgeneratorfree.com/...",
"expires_at": "2024-01-01T12:00:00Z",
"size_bytes": 45231,
"processing_ms": 847
}