diff --git a/markdown/README b/markdown/README
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index 000000000..da3cd53de
--- /dev/null
+++ b/markdown/README
@@ -0,0 +1,5 @@
+Markdown
+========
+
+The Markdown addon parses user input for new items and comments via the Markdown parser.
+This enables users to use the Markdown syntax additionally to the BBCode syntax.
diff --git a/markdown/markdown.php b/markdown/markdown.php
new file mode 100644
index 000000000..a5358d0e3
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+++ b/markdown/markdown.php
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+
+ */
+use Friendica\App;
+use Friendica\Core\Hook;
+use Friendica\Core\Logger;
+use Friendica\Content\Text\Markdown;
+use Friendica\Core\Renderer;
+use Friendica\Core\PConfig;
+use Friendica\Core\L10n;
+
+function markdown_install() {
+ Hook::register('post_local_start', __FILE__, 'markdown_post_local_start');
+ Hook::register('addon_settings', __FILE__, 'markdown_addon_settings');
+ Hook::register('addon_settings_post', __FILE__, 'markdown_addon_settings_post');
+}
+
+function markdown_addon_settings(App $a, &$s)
+{
+ if (!local_user()) {
+ return;
+ }
+
+ $enabled = intval(PConfig::get(local_user(), 'markdown', 'enabled'));
+
+ $t = Renderer::getMarkupTemplate('settings.tpl', 'addon/markdown/');
+ $s .= Renderer::replaceMacros($t, [
+ '$title' => L10n::t('Markdown'),
+ '$enabled' => ['enabled', L10n::t('Enable Markdown parsing'), $enabled, L10n::t('If enabled, self created items will additionally be parsed via Markdown.')],
+ '$submit' => L10n::t('Save Settings'),
+ ]);
+}
+
+function markdown_addon_settings_post(App $a, &$b)
+{
+ if (!local_user() || empty($_POST['markdown-submit'])) {
+ return;
+ }
+
+ PConfig::set(local_user(), 'markdown', 'enabled', intval($_POST['enabled']));
+}
+
+function markdown_post_local_start(App $a, &$request) {
+ if (empty($request['body']) || !PConfig::get(local_user(), 'markdown', 'enabled')) {
+ return;
+ }
+
+ $request['body'] = Markdown::toBBCode($request['body']);
+}
diff --git a/markdown/templates/settings.tpl b/markdown/templates/settings.tpl
new file mode 100644
index 000000000..3d0135150
--- /dev/null
+++ b/markdown/templates/settings.tpl
@@ -0,0 +1,15 @@
+
+ {{$title}}
+
+