diff --git a/index.html b/index.html
index 1c76472..b8088ea 100644
--- a/index.html
+++ b/index.html
@@ -5,6 +5,14 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>Excel Art — Turn Images into Spreadsheet Masterpieces</title>
     <meta name="description" content="A free, fun tool that converts your images into Excel pixel art. Because even busy people deserve a break.">
+
+    <!-- Google Tag Manager -->
+    <script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':
+new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],
+j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src=
+'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);
+})(window,document,'script','dataLayer','GTM-KQBQ422H');</script>
+    <!-- End Google Tag Manager -->
     
     <link rel="preconnect" href="https://fonts.googleapis.com">
     <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
@@ -568,6 +576,10 @@
     </style>
 </head>
 <body>
+    <!-- Google Tag Manager (noscript) -->
+    <noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-KQBQ422H"
+height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript>
+    <!-- End Google Tag Manager (noscript) -->
     <div class="grid-bg"></div>
     
     <div class="float-cell"></div>
