How to Convert HTML to PDF with a Free API (JavaScript, Python, cURL examples)

Need to generate PDFs from HTML in your app? Here's how to do it with EditPDFree API - a free PDF processing API.

## Get Your API Key

Head to api.editpdfree.com, create a free account, and grab your API key from the dashboard. Free tier gives you 50 requests/month.

## Convert HTML to PDF

### cURL

bash
  curl -X POST https://api.editpdfree.com/api/v1/html-to-pdf \
    -H "Content-Type: application/json" \
    -H "X-API-Key: YOUR_KEY" \
    -d '{"html": "<h1>Hello World</h1><p>Generated with EditPDFree API</p>"}' \
    -o output.pdf


  JavaScript (Node.js)

  const resp = await fetch('https://api.editpdfree.com/api/v1/html-to-pdf', {
    method: 'POST',
    headers: {
      'Content-Type': 'application/json',
      'X-API-Key': 'YOUR_KEY'
    },
    body: JSON.stringify({
      html: '<h1>Invoice #1234</h1><p>Total: $99.00</p>',
      options: { format: 'A4', margin: { top: '20mm', bottom: '20mm' } }
    })
  });
  const pdf = await resp.blob();

  Python

  import requests

  resp = requests.post(
      'https://api.editpdfree.com/api/v1/html-to-pdf',
      headers={'X-API-Key': 'YOUR_KEY'},
      json={
          'html': '<h1>Invoice #1234</h1>',
          'options': {'format': 'A4'}
      }
  )
  with open('output.pdf', 'wb') as f:
      f.write(resp.content)

  Other Endpoints

  The API also supports:
  - URL to PDF - Convert any webpage to PDF
  - Merge - Combine up to 50 PDFs
  - Compress - Reduce PDF file size
  - Split - Extract specific pages
  - Watermark - Add text watermarks
  - Protect - Password-protect with AES-256

  Pricing

  Free tier: 50 requests/month.
  Paid plans start at $9/month for 500 requests with no watermark.

  https://api.editpdfree.com - there's a live playground on the landing page where you can test without signing up.

  ---
  What PDF features would you like to see next? Let me know in the comments!