---
title: Form Builder
layout: default
fluid: true
section: builder
weight: 30
lib: builder
---
<div class="row">
  <div class="col-sm-8">
    <h3 class="text-center text-muted">The <a href="https://github.com/formio/formio.js" target="_blank">Form Builder</a> allows you to build a <select class="form-control" id="form-select" style="display: inline-block; width: 150px;"><option value="form">Form</option><option value="wizard">Wizard</option><option value="pdf">PDF</option></select></h3>
    <div id="builder"></div>
  </div>
  <div class="col-sm-4">
    <h3 class="text-center text-muted">as JSON Schema</h3>
    <div class="card card-body bg-light jsonviewer">
      <pre id="json"></pre>
    </div>
  </div>
</div>
<div class="row mt-4">
  <div class="col-sm-8 offset-sm-2">
    <h3 class="text-center text-muted">which <a href="https://github.com/formio/ngFormio" target="_blank">Renders as a Form</a> in your Application</h3>
    <div id="formio" class="card card-body bg-light"></div>
  </div>
  <div class="clearfix"></div>
</div>
<div class="row mt-4">
  <div class="col-sm-8 offset-sm-2">
    <h3 class="text-center text-muted">which creates a Submission JSON</h3>
    <div class="card card-body bg-light jsonviewer">
      <pre id="subjson"></pre>
    </div>
  </div>
  <div class="clearfix"></div>
</div>
<div class="row mt-4">
  <div class="col-sm-10 offset-sm-1 text-center">
    <h3 class="text-center text-muted">which submits to our API Platform</h3>
    <p>hosted or on-premise</p>
    <a href="https://form.io" target="_blank"><img style="width:100%" src="{{ site.baseurl }}app/formioapi.png" /></a>
  </div>
</div>
<div class="row" style="margin-top: 40px;">
  <div class="col-sm-12 text-center">
    <a href="https://form.io" target="_blank" class="btn btn-lg btn-success">Get Started</a>
  </div>
</div>
<div class="row card card-body bg-light mt-4">
  <div class="container">
    <div class="row">
      <div class="col-lg-12 text-center">
        <h2 class="section-heading">We are Open Source!</h2>
        <h3 class="section-subheading text-muted">We are proud to offer our core Form &amp; API platform as Open Source.</h3>
        <h3 class="section-subheading text-muted">Find us on GitHub @ <a href="https://github.com/formio/formio" target="_blank">https://github.com/formio/formio</a></h3>
      </div>
    </div>
    <div class="row">
      <div class="col-md-4"><a href="https://github.com/formio/formio" target="_blank"><img style="width: 100%" class="img-responsive" src="https://github.githubassets.com/images/modules/logos_page/Octocat.png"></a></div>
      <div class="col-md-8">
        <p>Getting started is as easy as...</p>
        <pre style="background-color: white;">git clone https://github.com/formio/formio.git
cd formio
npm install
node server</pre>
      </div>
    </div>
  </div>
</div>
<script type="text/javascript">
var jsonElement = document.getElementById('json');
var formElement = document.getElementById('formio');
var subJSON = document.getElementById('subjson');
var builder = null;
var setDisplay = function(display) {
  if (builder) {
    builder.destroy();
    document.getElementById("builder").innerHTML = '';
  }
  Formio.builder(document.getElementById("builder"), {
    display: display,
    components: [],
    settings: {
      pdf: {
        "id": "1ec0f8ee-6685-5d98-a847-26f67b67d6f0",
        "src": "https://files.form.io/pdf/5692b91fd1028f01000407e3/file/1ec0f8ee-6685-5d98-a847-26f67b67d6f0"
      }
    }
  }, {
    baseUrl: 'https://examples.form.io'
  }).then(function(instance) {
    builder = instance;
    var onForm = function(form) {
      form.on('change', function() {
        subJSON.innerHTML = '';
        subJSON.appendChild(document.createTextNode(JSON.stringify(form.submission, null, 4)));
      });
    };

    var onBuild = function(build) {
      jsonElement.innerHTML = '';
      formElement.innerHTML = '';
      jsonElement.appendChild(document.createTextNode(JSON.stringify(instance.schema, null, 4)));
      Formio.createForm(formElement, instance.form).then(onForm);
    };

    var onReady = function() {
      var jsonElement = document.getElementById('json');
      var formElement = document.getElementById('formio');
      instance.on('change', onBuild);
    };

    instance.ready.then(onReady);
  });
};

// Handle the form selection.
var formSelect = document.getElementById('form-select');
formSelect.addEventListener("change", function() {
  setDisplay(this.value);
});

setDisplay('form');
</script>