diff --git a/admin/index.php b/admin/index.php
index 957fe1b6..2e0dcba8 100644
--- a/admin/index.php
+++ b/admin/index.php
@@ -30,6 +30,27 @@ if(!$db->hasTable('myaac_account_actions')) {
 	throw new RuntimeException('Seems that the table <strong>myaac_account_actions</strong> of MyAAC doesn\'t exist in the database. This is a fatal error. You can try to reinstall MyAAC by visiting <a href="' . BASE_URL . 'install">this</a> url.');
 }
 
+$hooks->register('debugbar_admin_head_end', HOOK_ADMIN_HEAD_END, function ($params) {
+	global $debugBar;
+
+	if (!isset($debugBar)) {
+		return;
+	}
+
+	$debugBarRenderer = $debugBar->getJavascriptRenderer();
+	echo $debugBarRenderer->renderHead();
+});
+$hooks->register('debugbar_admin_body_end', HOOK_ADMIN_BODY_END, function ($params) {
+	global $debugBar;
+
+	if (!isset($debugBar)) {
+		return;
+	}
+
+	$debugBarRenderer = $debugBar->getJavascriptRenderer();
+	echo $debugBarRenderer->render();
+});
+
 require SYSTEM . 'status.php';
 require SYSTEM . 'login.php';
 require __DIR__ . '/includes/functions.php';
diff --git a/composer.json b/composer.json
index ec34d395..0d227019 100644
--- a/composer.json
+++ b/composer.json
@@ -16,7 +16,8 @@
         "peppeocchi/php-cron-scheduler": "4.*"
     },
     "require-dev": {
-        "filp/whoops": "^2.15"
+        "filp/whoops": "^2.15",
+        "maximebf/debugbar": "dev-master"
     },
     "autoload": {
         "psr-4": {
diff --git a/system/functions.php b/system/functions.php
index 13faf3d6..afa5e969 100644
--- a/system/functions.php
+++ b/system/functions.php
@@ -469,20 +469,30 @@ function tickers()
  */
 function template_place_holder($type): string
 {
-	global $twig, $template_place_holders;
+	global $twig, $template_place_holders, $debugBar;
 	$ret = '';
 
+	if (isset($debugBar)) {
+		$debugBarRenderer = $debugBar->getJavascriptRenderer();
+	}
+
 	if(array_key_exists($type, $template_place_holders) && is_array($template_place_holders[$type]))
 		$ret = implode($template_place_holders[$type]);
 
 	if($type === 'head_start') {
 		$ret .= template_header();
+		if (isset($debugBar)) {
+			$ret .= $debugBarRenderer->renderHead();
+		}
 	}
 	elseif ($type === 'body_start') {
 		$ret .= $twig->render('browsehappy.html.twig');
 	}
 	elseif($type === 'body_end') {
 		$ret .= template_ga_code();
+		if (isset($debugBar)) {
+			$ret .= $debugBarRenderer->render();
+		}
 	}
 
 	return $ret;
diff --git a/system/init.php b/system/init.php
index 672e583e..f1ede3de 100644
--- a/system/init.php
+++ b/system/init.php
@@ -16,10 +16,16 @@ if(!isset($config['installed']) || !$config['installed']) {
 	throw new RuntimeException('MyAAC has not been installed yet or there was error during installation. Please install again.');
 }
 
+use DebugBar\StandardDebugBar;
+
 if(config('env') === 'dev') {
 	require SYSTEM . 'exception.php';
 }
 
+if (config('env') === 'dev' || getBoolean(config('enable_debugbar'))) {
+	$debugBar = new StandardDebugBar();
+}
+
 if(empty($config['server_path'])) {
 	throw new RuntimeException('Server Path has been not set. Go to config.php and set it.');
 }
diff --git a/system/libs/pot/OTS.php b/system/libs/pot/OTS.php
index d20d029c..9c988210 100644
--- a/system/libs/pot/OTS.php
+++ b/system/libs/pot/OTS.php
@@ -370,7 +370,14 @@ class POT
             throw new RuntimeException('Please install PHP pdo extension. MyAAC will not work without it.');
         }
 
-        $this->db = new OTS_DB_MySQL($params);
+	    global $debugBar;
+		if (isset($debugBar)) {
+			$this->db = new DebugBar\DataCollector\PDO\TraceablePDO(new OTS_DB_MySQL($params));
+			$debugBar->addCollector(new DebugBar\DataCollector\PDO\PDOCollector($this->db));
+		}
+		else {
+			$this->db = new OTS_DB_MySQL($params);
+		}
 
         $this->db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
     }