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wkhtmltopdf web service

This web service renders posted HTML to PDF using wkhtmltopdf.

Because it allows posting of HTML content, it can be used straight from the user's browser to render the page he is currently viewing, including DOM modifications made in Javascript. It can also be used as a backend service, of course.

API

GET /

Show this documentation.

POST /pdf

Get a PDF document with rendered HTML contents.

The post body should contain the following parameters, url encoded. (content-type application/x-www-form-urlencoded)

Note: Multipart forms are not supported.

  • html The HTML document to render.
  • url (optional) URL of the original. Will be used to resolve relative urls in stylesheets and images.

Use from the browser

To use this service from the browser, include the following javascript code and call the print_pdf function.

var print_pdf_url = "http://REPLACE_THIS_WITH_THE_WEBSERVICE_URL/pdf";

/* Print the page by posting its HTML contents to a HTML->PDF conversion service.
* To achieve this, a form is dynamically generated and then submitted.
* The form is added to the document, as IE and FF require it to submit.
* Tested on IE8, IE9, FF3, Chrome.
 */
function print_pdf() {
  var form = document.createElement('form');
  var textarea = document.createElement('textarea');
  textarea.name = 'html';
  textarea.value = document.documentElement.innerHTML;
  form.appendChild(textarea);
  var input = document.createElement('input');
  input.name = 'url';
  input.value = document.location.href;
  form.appendChild(input);
  form.action = print_pdf_url;
  form.method = 'POST';
  form.setAttribute('style', 'display:none');
  document.body.appendChild(form);
  form.submit();
}