diff --git a/js/utils.js b/js/utils.js
new file mode 100644
index 0000000..9f0a166
--- /dev/null
+++ b/js/utils.js
@@ -0,0 +1,23 @@
+function getUrlParameter(name) {
+    name = name.replace(/[\[]/, '\\[').replace(/[\]]/, '\\]');
+    var regex = new RegExp('[\\?&]' + name + '=([^&#]*)');
+    var results = regex.exec(location.search);
+    return results === null ? '' : decodeURIComponent(results[1].replace(/\+/g, ' '));
+};
+
+function b64EncodeUnicode(str) {
+    // first we use encodeURIComponent to get percent-encoded UTF-8,
+    // then we convert the percent encodings into raw bytes which
+    // can be fed into btoa.
+    return btoa(encodeURIComponent(str).replace(/%([0-9A-F]{2})/g,
+        function toSolidBytes(match, p1) {
+            return String.fromCharCode('0x' + p1);
+    }));
+}
+
+function b64DecodeUnicode(str) {
+    // Going backwards: from bytestream, to percent-encoding, to original string.
+    return decodeURIComponent(atob(str).split('').map(function(c) {
+        return '%' + ('00' + c.charCodeAt(0).toString(16)).slice(-2);
+    }).join(''));
+}
diff --git a/login.php b/login.php
index 5da29e7..3440136 100644
--- a/login.php
+++ b/login.php
@@ -1,6 +1,7 @@
 <html>
 <head>
 <meta http-equiv="content-type" content="text/html; charset=utf-8">
+<script src="./js/utils.js"></script>
 <?php
         $servername = "fdb22.awardspace.net";
         $username = "3155560_users";
@@ -38,11 +39,11 @@
 echo '
 <script>
 let infoString = JSON.stringify(db_info);
-let infoBase64 = btoa(infoString);
+let infoBase64 = b64EncodeUnicode(infoString);
 
 window.location.href = "./main.html?info=" + infoBase64;
 </script>
 ';
 ?>
 </body>
-</html>
\ No newline at end of file
+</html>
diff --git a/main.html b/main.html
index 84639c1..567cfd2 100644
--- a/main.html
+++ b/main.html
@@ -4,6 +4,8 @@
 		<title>Pàgina de l'usuari</title>
 		<link rel="stylesheet" href="./css/basic.css" />
 		<link rel="stylesheet" href="./css/main.css" />
+		
+		<script src="./js/utils.js"></script>
 	</head>
 	<body>
 		<div id="outter-container">
@@ -22,5 +24,10 @@
 			<button id="win">L'he matat</button>
 			<button id="lose">M'han matat</button>
 		</div>
+		
+		<script>
+			var info = JSON.parse(b64DecodeUnicode(getUrlParameter("info")));
+			console.log(info);
+		</script>
 	</body>
 </html>