Batch Convert to PDF via API
Convert multiple documents to PDF in a single API call. Send a ZIP file and receive all PDFs organized. Ideal for high-volume automations.
# Batch convert files to PDF via ZIP
curl -X POST \
https://api.convertfilefast.com/v1/convert \
-H "X-API-Key: your_api_key" \
-F "file=@documents.zip" \
-o converted_pdfs.zip
# Receives: ZIP with all PDFs converted
# HTTP 200 OK — All files convertedAdvantages
Why use our API?
Complete and reliable solution for integration in any tech stack.
Single request
Send a ZIP with multiple documents of different formats and receive all PDFs in a single API response.
Mixed formats
Combine XLSX, DOCX, PPTX and TXT files in the same ZIP. Our API handles all formats simultaneously.
High volume
Process hundreds of documents in a single batch. Scale plan supports up to 50,000 conversions per month.
Organized output
Receive all PDFs organized in a single ZIP, with file names maintained for easy identification.
Automation-ready
Perfect for cron jobs, ETL pipelines and automated workflows that process documents in bulk.
Full privacy
All files processed in memory and discarded immediately. No permanent storage of your documents.
Or call this from Claude, Cursor, or any MCP client
Convert File Fast ships a native Model Context Protocol server. Give this conversion to an AI agent as a single tool call — no HTTP client, no binary handling, per-user API keys.
npx -y convertfilefast-mcpconvert_file({ target_format: "pdf", source_url: "https://example.com/file.docx" })
// one call per file — the server has no batch toolReady for batch conversion?
Create your free account and start converting multiple files to PDF in batch via API. No credit card, 10 free conversions.
No credit card. 10 free conversions on Free plan.