Grok - Order Estimate and PDF Generator

Grok - Order Estimate and PDF Generator



Grok is a multipurpose, 100% responsive, simple, and clean cost estimate built with HTML5, CSS3, jQuery using Bootstrap4. With its PHP engine, Grok is able to generate a PDF summary about the order request which contains a PayPal link for checkout. The summary is sent in attachment by nicely formatted email notification. Although it is not a WordPress plugin, Grok can work within WordPress in a separate folder. Comes with premade color variations and layouts. It can behave as a standalone site or can be integrated into HTML or CMS systems.

Note* does not have an admin area


  • Valid code
  • Multipurpose
  • 100% responsive
  • Simple and clean
  • Various UI elements
  • Cross-browser compatible
  • Customizable components
  • Can be used with Wordpress
  • Well documented and commented
  • Premade color variations and calculator layouts
  • App look like mobile navigation with slide effect
  • Various icons to chose from (Font Awesome and Icon Fonts)
  • Summary PDF generation is sent in attachment by a nicely formatted email
  • PDF Summary contains a payment link which redirects to PayPal checkout
  • Effective form validation, protection against injections, user friendly notifications


  • Xampp installed
  • PHP 5.x + (Recommended: PHP7.x)


Follow the documentation for the quick installer