diff --git a/clientside_validation.install b/clientside_validation.install
new file mode 100644
index 0000000000000000000000000000000000000000..04ba76b2e178c300468d746b21b15145533a7f18
--- /dev/null
+++ b/clientside_validation.install
@@ -0,0 +1,38 @@
+<?php
+
+/**
+ * @file
+ * Install file for Clientside Validation.
+ */
+
+/**
+ * Update configuration for validation_scope based on enable_all_forms.
+ */
+function clientside_validation_update_10001() {
+  // Load the existing configuration.
+  $config = \Drupal::configFactory()->getEditable('clientside_validation.settings');
+
+  // Set default values for the new schema fields.
+  if ($config->isNew()) {
+    $config->set('validation_scope', CLIENTSIDE_VALIDATION_VALIDATE_ALL_FORMS);
+    $config->set('selected_forms', []);
+  }
+  else {
+    // Check the value of enable_all_forms and set validation_scope accordingly.
+    if ($config->get('enable_all_forms')) {
+      // If enable_all_forms is checked, set validation_scope the first choice.
+      $config->set('validation_scope', CLIENTSIDE_VALIDATION_VALIDATE_ALL_FORMS);
+    }
+    else {
+      $config->set('validation_scope', CLIENTSIDE_VALIDATION_VALIDATE_SELECTED_FORMS);
+    }
+
+    // Set the enabled_forms to selected_forms.
+    if ($config->get('enabled_forms')) {
+      $config->set('selected_forms', $config->get('enabled_forms'));
+    }
+  }
+
+  // Save the updated configuration.
+  $config->save();
+}
diff --git a/clientside_validation.links.menu.yml b/clientside_validation.links.menu.yml
new file mode 100644
index 0000000000000000000000000000000000000000..0803f80165dab49b5d93a0ace129aba621d4e9e3
--- /dev/null
+++ b/clientside_validation.links.menu.yml
@@ -0,0 +1,5 @@
+clientside_validation.settings_form:
+  title: 'Clientside Validation Settings'
+  description: 'Configure clientside validation settings.'
+  route_name: clientside_validation.settings_form
+  parent: system.admin_config_ui
diff --git a/clientside_validation.module b/clientside_validation.module
index 50fa8b3e85a750e70e3bed66b2b8432df89905b6..6871e14d096096283ae8f8dbbf0a808cbb4d3545 100644
--- a/clientside_validation.module
+++ b/clientside_validation.module
@@ -5,14 +5,59 @@
  * Hook implementations for the Clientside Validation module.
  */
 
+use Drupal\Core\Cache\Cache;
 use Drupal\Core\Form\FormStateInterface;
 use Drupal\Core\Render\Element;
 
+/**
+ * Selections for the types of validation scopes.
+ */
+const CLIENTSIDE_VALIDATION_VALIDATE_ALL_FORMS = '0';
+const CLIENTSIDE_VALIDATION_VALIDATE_SELECTED_FORMS = '1';
+const CLIENTSIDE_VALIDATION_VALIDATE_EXCEPT_SELECTED_FORMS = '2';
+
 /**
  * Implements hook_form_alter().
  */
 function clientside_validation_form_alter(&$form, FormStateInterface &$form_state, $form_id) {
-  $form['#after_build'][] = 'clientside_validation_form_after_build';
+  $config = \Drupal::config('clientside_validation.settings');
+
+  // Add cache tags for the config.
+  if (!empty($form['#cache']['tags'])) {
+    $form['#cache']['tags'] = Cache::mergeTags($form['#cache']['tags'], $config->getCacheTags());
+  }
+  else {
+    $form['#cache']['tags'] = $config->getCacheTags();
+  }
+
+  // If enabled for all forms, add the after build function.
+  $validation_scope = $config->get('validation_scope');
+  if ($validation_scope === CLIENTSIDE_VALIDATION_VALIDATE_ALL_FORMS) {
+    $form['#after_build'][] = 'clientside_validation_form_after_build';
+  }
+  // Else, add it only if the form ID was added in configuration.
+  elseif ($validation_scope === CLIENTSIDE_VALIDATION_VALIDATE_SELECTED_FORMS) {
+    $selected_forms = $config->get('selected_forms');
+    if (!empty($selected_forms) && in_array($form_id, $selected_forms)) {
+      $form['#after_build'][] = 'clientside_validation_form_after_build';
+    }
+  }
+  elseif ($validation_scope === CLIENTSIDE_VALIDATION_VALIDATE_EXCEPT_SELECTED_FORMS) {
+    $selected_forms = $config->get('selected_forms');
+    if (!empty($selected_forms) && !in_array($form_id, $selected_forms)) {
+      $form['#after_build'][] = 'clientside_validation_form_after_build';
+    }
+  }
+
+  // Remove the clientside validation if the novalidate attribute was set.
+  if (
+    isset($form['#attributes']['novalidate']) &&
+    isset($form['#after_build']) &&
+    in_array('clientside_validation_form_after_build', $form['#after_build'])
+  ) {
+    $validation_key = array_search('clientside_validation_form_after_build', $form['#after_build']);
+    unset($form['#after_build'][$validation_key]);
+  }
 }
 
 /**
diff --git a/clientside_validation.permissions.yml b/clientside_validation.permissions.yml
new file mode 100644
index 0000000000000000000000000000000000000000..579ecaab512f3f2d28655a2122d78dc4643591ac
--- /dev/null
+++ b/clientside_validation.permissions.yml
@@ -0,0 +1,4 @@
+administer clientside validation:
+  description: 'Grants access to the clientside validation configuration form.'
+  title: 'Administer clientside validation'
+  restrict access: TRUE
diff --git a/clientside_validation.routing.yml b/clientside_validation.routing.yml
new file mode 100644
index 0000000000000000000000000000000000000000..9cf0f16a5754e254d777a758f9f628c30746b8b5
--- /dev/null
+++ b/clientside_validation.routing.yml
@@ -0,0 +1,7 @@
+clientside_validation.settings_form:
+  path: '/admin/config/user-interface/clientside-validation'
+  defaults:
+    _form: '\Drupal\clientside_validation\Form\ClientsideValidationSettingsForm'
+    _title: 'Clientside Validation Settings'
+  requirements:
+    _permission: 'administer clientside validation'
diff --git a/config/install/clientside_validation.settings.yml b/config/install/clientside_validation.settings.yml
new file mode 100644
index 0000000000000000000000000000000000000000..92fdcdeda3de1ae234cdd5e9690f6f9d971de91e
--- /dev/null
+++ b/config/install/clientside_validation.settings.yml
@@ -0,0 +1,2 @@
+validation_scope: '0'
+selected_forms: { }
diff --git a/config/schema/clientside_validation.schema.yml b/config/schema/clientside_validation.schema.yml
new file mode 100644
index 0000000000000000000000000000000000000000..724545e144f55225e786fa41554939a199102f66
--- /dev/null
+++ b/config/schema/clientside_validation.schema.yml
@@ -0,0 +1,12 @@
+clientside_validation.settings:
+  type: config_object
+  mapping:
+    validation_scope:
+      type: string
+      label: 'Setting for the validation scheme'
+    selected_forms:
+      type: sequence
+      label: 'A list of forms, based on the validation scheme'
+      sequence:
+        type: string
+        label: 'The form ID'
diff --git a/src/Form/ClientsideValidationSettingsForm.php b/src/Form/ClientsideValidationSettingsForm.php
new file mode 100644
index 0000000000000000000000000000000000000000..bfad9b9e882f2ad0412ce118f629dfd1a78a6ec5
--- /dev/null
+++ b/src/Form/ClientsideValidationSettingsForm.php
@@ -0,0 +1,103 @@
+<?php
+
+namespace Drupal\clientside_validation\Form;
+
+use Drupal\Core\Form\ConfigFormBase;
+use Drupal\Core\Form\FormStateInterface;
+
+/**
+ * Form to configure the clientside validation settings.
+ */
+class ClientsideValidationSettingsForm extends ConfigFormBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getFormId() {
+    return 'clientside_validation_settings_form';
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getEditableConfigNames() {
+    return ['clientside_validation.settings'];
+  }
+
+  /**
+   * Check if form is enabled for clientside validation.
+   *
+   * @return bool
+   *   TRUE if form is enabled for clientside validation, FALSE otherwise.
+   */
+  public function isFormEnabledForClientsideValidation($form_settings, $form_id) {
+    // If there are settings in the array and the form ID already has a setting,
+    // return the saved setting for the form ID.
+    if (!empty($form_settings) && isset($form_settings[$form_id])) {
+      return $form_settings[$form_id];
+    }
+    // Default to false.
+    else {
+      return FALSE;
+    }
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildForm(array $form, FormStateInterface $form_state) {
+    $form = parent::buildForm($form, $form_state);
+    $config = $this->config('clientside_validation.settings');
+
+    // Add a note in regards to the overrides with the novalidate attribute.
+    $form['novalidate_note'] = [
+      '#markup' => $this->t('Forms with the "novalidate" attribute will <strong>not</strong> have clientside validation enabled, regardless of these settings.'),
+    ];
+
+    // Set the scope of the validation.
+    $form['validation_scope'] = [
+      '#type' => 'radios',
+      '#title' => $this->t('Select the forms to validate'),
+      '#default_value' => $config->get('validation_scope') ?: CLIENTSIDE_VALIDATION_VALIDATE_ALL_FORMS,
+      '#options' => [
+        CLIENTSIDE_VALIDATION_VALIDATE_ALL_FORMS => $this->t('Validate all forms.'),
+        CLIENTSIDE_VALIDATION_VALIDATE_SELECTED_FORMS => $this->t('Only validate forms listed below.'),
+        CLIENTSIDE_VALIDATION_VALIDATE_EXCEPT_SELECTED_FORMS => $this->t('Validate all forms except those listed below.'),
+      ],
+    ];
+
+    // Selected forms.
+    $selected_forms = (!empty($config->get('selected_forms'))) ? $config->get('selected_forms') : [];
+    $form['selected_forms'] = [
+      '#type' => 'textarea',
+      '#title' => $this->t('Enter form IDs below, separated by a new line.'),
+      '#default_value' => implode(PHP_EOL, $selected_forms),
+      '#states' => [
+        'visible' => [
+          // Only show this when validating less than all.
+          [':input[name="validation_scope"]' => ['value' => CLIENTSIDE_VALIDATION_VALIDATE_SELECTED_FORMS]],
+          'or',
+          [':input[name="validation_scope"]' => ['value' => CLIENTSIDE_VALIDATION_VALIDATE_EXCEPT_SELECTED_FORMS]],
+        ],
+      ],
+    ];
+
+    return $form;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function submitForm(array &$form, FormStateInterface $form_state) {
+    parent::submitForm($form, $form_state);
+    $config = $this->config('clientside_validation.settings');
+    $values = $form_state->getValues();
+
+    $config->set('validation_scope', $values['validation_scope']);
+    $selected_forms = preg_split("[\n|\r]", $values['selected_forms']);
+    $selected_forms = array_filter($selected_forms);
+    $config->set('selected_forms', $selected_forms);
+    $config->save();
+  }
+
+}