diff --git a/anchor_link.ckeditor5.yml b/anchor_link.ckeditor5.yml
new file mode 100644
index 0000000000000000000000000000000000000000..f785aedda1bcc8dcb5aefd0e6cab5364e49c9b36
--- /dev/null
+++ b/anchor_link.ckeditor5.yml
@@ -0,0 +1,28 @@
+anchor_link_ckeditor5_anchor:
+  # Use the provider: property for this plugin to depend on another module.
+
+  # Configuration that will be sent to CKEditor 5 JavaScript plugins.
+  ckeditor5:
+    plugins:
+      - anchor.Anchor
+    # *Additional configuration properties*
+    # config: data sent to the constructor of any CKEditor 5 plugin
+    #   editorPluginName:
+    #     editorPluginProperty: editorPluginValue
+
+  # Configuration that will be used directly by Drupal.
+  drupal:
+    label: Anchor link
+    library: anchor_link/cke5_anchor_link
+    # The library loaded when configuring the text format using this plugin.
+#    admin_library: anchor_link/cke5_anchor_link
+    toolbar_items:
+      # This should match the name of the corresponding plugin exported in the
+      # plugin's index.js.
+      anchor:
+        label: Anchor link
+    elements:
+      - <a>
+      - <a id="">
+      - <a target="">
+      - <a rel="">
diff --git a/anchor_link.libraries.yml b/anchor_link.libraries.yml
new file mode 100644
index 0000000000000000000000000000000000000000..2792ec218ac713ca24895dfcd9515bc3053c9555
--- /dev/null
+++ b/anchor_link.libraries.yml
@@ -0,0 +1,13 @@
+drupal.anchor_link:
+  version: VERSION
+  css:
+    theme:
+      css/anchor_link.css: { every_page: 1 }
+  dependencies:
+    - core/drupal
+    - core/drupalSettings
+cke5_anchor_link:
+  js:
+    /libraries/ckeditor5-anchor-drupal/build/anchor.js: { preprocess: false, minified: true }
+  dependencies:
+    - core/ckeditor5
diff --git a/composer.libraries.json b/composer.libraries.json
new file mode 100644
index 0000000000000000000000000000000000000000..7234b978c5dad491b4db1bc28da8ecc83ee764a9
--- /dev/null
+++ b/composer.libraries.json
@@ -0,0 +1,19 @@
+{
+  "repositories": {
+    "ckeditor5-anchor-drupal": {
+      "type": "package",
+      "package": {
+        "name": "northernco/ckeditor5-anchor-drupal",
+        "version": "0.1.0.",
+        "type": "drupal-library",
+        "dist": {
+          "url": "https://registry.npmjs.org/@northernco/ckeditor5-anchor-drupal/-/ckeditor5-anchor-drupal-0.1.0.tgz",
+          "type": "tar"
+        }
+      }
+    }
+  },
+  "require": {
+    "northernco/ckeditor5-anchor-drupal": "^0.1.0"
+  }
+}
diff --git a/src/Plugin/CKEditor4To5Upgrade/Anchor.php b/src/Plugin/CKEditor4To5Upgrade/Anchor.php
new file mode 100644
index 0000000000000000000000000000000000000000..bf4356642bfb4930b383be79eb34eabcc929812b
--- /dev/null
+++ b/src/Plugin/CKEditor4To5Upgrade/Anchor.php
@@ -0,0 +1,53 @@
+<?php
+
+namespace Drupal\anchor_link\Plugin\CKEditor4To5Upgrade;
+
+use Drupal\ckeditor5\HTMLRestrictions;
+use Drupal\ckeditor5\Plugin\CKEditor4To5UpgradePluginInterface;
+use Drupal\Core\Plugin\PluginBase;
+use Drupal\filter\FilterFormatInterface;
+
+/**
+ * Provides the CKEditor 4 to 5 upgrade for the placeholder CKEditor plugin.
+ *
+ * @CKEditor4To5Upgrade(
+ *   id = "anchor_link",
+ *   cke4_buttons = {
+ *     "Anchor",
+ *   },
+ *   cke4_plugin_settings = {
+ *   }
+ * )
+ */
+class Anchor extends PluginBase implements CKEditor4To5UpgradePluginInterface {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function mapCKEditor4ToolbarButtonToCKEditor5ToolbarItem(
+    string $cke4_button,
+    HTMLRestrictions $text_format_html_restrictions
+  ): ?array {
+    if ($cke4_button === 'Anchor') {
+      return ['anchor'];
+    }
+    else {
+      throw new \OutOfBoundsException();
+    }
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function mapCKEditor4SettingsToCKEditor5Configuration(string $cke4_plugin_id, array $cke4_plugin_settings): ?array {
+    throw new \OutOfBoundsException();
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function computeCKEditor5PluginSubsetConfiguration(string $cke5_plugin_id, FilterFormatInterface $text_format): ?array {
+    throw new \OutOfBoundsException();
+  }
+
+}