diff --git a/webui/src/mobile-dev.html b/webui/src/mobile-dev.html
new file mode 100644
index 0000000..08ec14d
--- /dev/null
+++ b/webui/src/mobile-dev.html
@@ -0,0 +1,27 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>sketch mobile</title>
+    <style>
+      html,
+      body {
+        height: 100%;
+        margin: 0;
+        padding: 0;
+        font-family:
+          -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", sans-serif;
+        background-color: #ffffff;
+      }
+      body {
+        display: flex;
+        overflow: hidden;
+      }
+    </style>
+    <script type="module" src="./web-components/mobile-app-shell.ts"></script>
+  </head>
+  <body>
+    <mobile-shell></mobile-shell>
+  </body>
+</html>