DOCX, DOC, RTF Support

Convert Word to PDF via API

Transform Word documents to PDF automatically. Preserve formatting, images, headers and styles. Perfect for report automation and document generation.

cURL
# Convert Word (DOCX) to PDF
curl -X POST \
  https://api.convertfilefast.com/v1/convert \
  -H "X-API-Key: your_api_key" \
  -F "file=@document.docx" \
  -o document.pdf

# HTTP 200 OK — Content-Type: application/pdf
Conversion completed in <2s

Advantages

Why use our API?

Complete and reliable solution for integration in any tech stack.

Preserve styles and formatting

Maintain custom fonts, paragraph styles, lists, tables and all document formatting.

Images and graphics

Embedded images, diagrams and custom shapes are rendered with full fidelity in the PDF.

Headers and footers

Document headers, footers and page numbers are preserved exactly as in the original Word file.

DOCX and DOC support

Compatible with all Word formats, from classic DOC to modern DOCX. Also supports RTF.

Fast conversion

Word documents of up to 50MB converted in under 2 seconds on the Pro plan.

Zero storage

Your documents are processed in memory and immediately discarded. Complete privacy guaranteed.

Ready to convert Word to PDF?

Create your free account and start converting Word documents to PDF via API. No credit card, 10 free conversions.

No credit card. 10 free conversions on Free plan.