diff --git a/js/invisible-recaptcha.js b/js/invisible-recaptcha.js
new file mode 100644
index 0000000..a6ddc02
--- /dev/null
+++ b/js/invisible-recaptcha.js
@@ -0,0 +1,28 @@
+
+var submittedFormId = '';
+
+function onInvisibleSubmit(token) {
+  document.getElementById(submittedFormId).submit();
+}
+
+(function ($) {
+  Drupal.behaviors.invisibleRecaptcha = {
+    attach: function (context) {
+      $('form', context).each(function () {
+        var $form = $(this);
+
+        if ($form.find('.g-recaptcha[data-size="invisible"]').length) {
+          $form.find('input[type="submit"]').click(function (e) {
+            e.preventDefault();
+            validateInvisibleCaptcha($form);
+          });
+        }
+      });
+
+      function validateInvisibleCaptcha($form) {
+        submittedFormId = $form.attr('id');
+        grecaptcha.execute();
+      }
+    }
+  };
+})(jQuery);
diff --git a/recaptcha.admin.inc b/recaptcha.admin.inc
index bd2dc23..9e78116 100644
--- a/recaptcha.admin.inc
+++ b/recaptcha.admin.inc
@@ -62,10 +62,27 @@ function recaptcha_admin_settings() {
     '#options' => array(
       '' => t('Normal (default)'),
       'compact' => t('Compact'),
+      'invisible' => t('Invisible'),
     ),
     '#title' => t('Size'),
     '#type' => 'select',
   );
+  $form['recaptcha_widget_settings']['recaptcha_badge'] = array(
+    '#default_value' => variable_get('recaptcha_badge', ''),
+    '#description' => t('Reposition the reCAPTCHA badge. "Inline" allows you to control the CSS.'),
+    '#options' => array(
+      'bottomright ' => t('Bottom Right (default)'),
+      'bottomleft ' => t('Bottom Left'),
+      'inline' => t('Inline'),
+    ),
+    '#title' => t('Badge'),
+    '#type' => 'select',
+    '#states' => array(
+      'visible' => array(
+        ':input[name="recaptcha_size"]' => array('value' => 'invisible'),
+      ),
+    ),
+  );
   $form['recaptcha_widget_settings']['recaptcha_tabindex'] = array(
     '#type' => 'textfield',
     '#title' => t('Tabindex'),
diff --git a/recaptcha.info b/recaptcha.info
index 46e5082..2474645 100644
--- a/recaptcha.info
+++ b/recaptcha.info
@@ -15,3 +15,4 @@ files[] = recaptcha-php/src/ReCaptcha/RequestMethod/Post.php
 files[] = recaptcha-php/src/ReCaptcha/RequestMethod/Socket.php
 files[] = recaptcha-php/src/ReCaptcha/RequestMethod/SocketPost.php
 files[] = src/ReCaptcha/RequestMethod/Drupal7Post.php
+files[] = js/invisible-recaptcha.js
diff --git a/recaptcha.install b/recaptcha.install
index bd2cc6e..0c032eb 100644
--- a/recaptcha.install
+++ b/recaptcha.install
@@ -16,6 +16,7 @@ function recaptcha_uninstall() {
   variable_del('recaptcha_size');
   variable_del('recaptcha_tabindex');
   variable_del('recaptcha_noscript');
+  variable_del('recaptcha_badge');
 }
 
 /**
diff --git a/recaptcha.module b/recaptcha.module
index 1e65aab..9c3f01e 100644
--- a/recaptcha.module
+++ b/recaptcha.module
@@ -106,8 +106,17 @@ function recaptcha_captcha($op, $captcha_type = '') {
             'data-theme' => variable_get('recaptcha_theme', 'light'),
             'data-type' => variable_get('recaptcha_type', 'image'),
             'data-size' => variable_get('recaptcha_size', ''),
+            'data-badge' => variable_get('recaptcha_badge', ''),
             'data-tabindex' => variable_get('recaptcha_tabindex', 0),
           );
+
+          if ('invisible' === $attributes['data-size']) {
+            $attributes['data-callback'] = 'onInvisibleSubmit';
+            $captcha['form']['#attached']['js'] = array(
+              drupal_get_path('module', 'recaptcha') . '/js/invisible-recaptcha.js',
+            );
+          }
+
           // Filter out empty tabindex/size.
           $attributes = array_filter($attributes);