diff --git a/register.php b/register.php
new file mode 100644
index 0000000..9749deb
--- /dev/null
+++ b/register.php
@@ -0,0 +1,108 @@
+<?php
+
+require_once 'includes/config.php';
+require_once 'includes/jsondb.php';
+require_once 'includes/functions.php';
+
+$error = '';
+
+if ($_SERVER['REQUEST_METHOD'] === 'POST') {
+
+    $username = sanitize($_POST['username']);
+    $password = $_POST['password'];
+
+    if (
+        strlen($username) < 3 ||
+        strlen($password) < 6
+    ) {
+        $error = 'Ongeldige invoer.';
+    } else {
+
+        $folder = userPath($username);
+
+        if (is_dir($folder)) {
+
+            $error = 'Gebruiker bestaat al.';
+
+        } else {
+
+            mkdir($folder, 0775, true);
+
+            JsonDB::write(
+                $folder . '/user.json',
+                [
+                    'username' => $username,
+                    'password' => password_hash(
+                        $password,
+                        PASSWORD_DEFAULT
+                    ),
+                    'created' => date('c')
+                ]
+            );
+
+            mkdir(
+                $folder . '/languages',
+                0775,
+                true
+            );
+
+            mkdir(
+                $folder . '/progress',
+                0775,
+                true
+            );
+
+            header('Location: login.php');
+            exit;
+        }
+    }
+}
+?>
+
+<!DOCTYPE html>
+<html>
+<head>
+<title>Registreren</title>
+<link rel="stylesheet" href="assets/css/style.css">
+</head>
+<body>
+
+<div class="container">
+
+<div class="card">
+
+<h1>Registreren</h1>
+
+<?php if ($error): ?>
+<p><?= $error ?></p>
+<?php endif; ?>
+
+<form method="post">
+
+<input
+name="username"
+placeholder="Gebruikersnaam"
+required>
+
+<input
+type="password"
+name="password"
+placeholder="Wachtwoord"
+required>
+
+<button type="submit">
+Account aanmaken
+</button>
+
+</form>
+
+<p>
+<a href="login.php">Inloggen</a>
+</p>
+
+</div>
+
+</div>
+
+</body>
+</html>
\ No newline at end of file
