diff --git a/priv/static/index.html b/priv/static/index.html
index 063342f..638ad82 100644
--- a/priv/static/index.html
+++ b/priv/static/index.html
@@ -60,6 +60,9 @@
           </button>
           <button id="test-notifications">Send test notification</button>
         </div>
+        <div>
+          <a href="#" id="reset-app">Reset</a>
+        </div>
       </nav>
 
       <note-form mode="add" id="new-note">
diff --git a/priv/static/js/jenot.js b/priv/static/js/jenot.js
index e917477..67b3f3a 100644
--- a/priv/static/js/jenot.js
+++ b/priv/static/js/jenot.js
@@ -9,6 +9,18 @@ import {
 } from "./notifications.js";
 import "./components.js";
 
+async function resetApp() {
+  await window.navigator.serviceWorker
+    .getRegistration()
+    .then((r) => r.unregister());
+  await caches
+    .keys()
+    .then((keys) => Promise.all(keys.map((k) => caches.delete(k))));
+  window.location.reload();
+}
+
+document.querySelector("#reset-app").addEventListener("click", resetApp);
+
 const URL_PARAMS = new URLSearchParams(window.location.search);
 
 // Cookie presence determines login state