diff --git a/public/favicon.svg b/public/favicon.svg
new file mode 100644
index 0000000..f62c862
--- /dev/null
+++ b/public/favicon.svg
@@ -0,0 +1,4 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 48 48">
+  <rect x="4" y="8" width="40" height="32" rx="4" fill="#1a1a1a" stroke="#3ea6ff" stroke-width="2.5"/>
+  <polygon points="20,16 34,24 20,32" fill="#3ea6ff"/>
+</svg>
diff --git a/public/index.html b/public/index.html
index 466675f..87b0984 100644
--- a/public/index.html
+++ b/public/index.html
@@ -7,6 +7,7 @@
   <title>VideoSync — Watch Together</title>
   <meta name="description"
     content="Sync video playback with friends in real-time. Load a local file, create a room, and watch together.">
+  <link rel="icon" type="image/svg+xml" href="/favicon.svg">
   <link rel="preconnect" href="https://fonts.googleapis.com">
   <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
   <link href="https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&display=swap" rel="stylesheet">