Is Notification Tester free to use?

Yes, Notification Tester is completely free. No account, no sign-up, and no hidden fees required.

Is my data safe when using Notification Tester?

Your data never leaves your device. All processing happens locally in your browser — nothing is uploaded to any server.

开发者工具

Notification Tester

Test browser Web Notifications API with customizable title, body, icon, tag, delay and more — 100% client-side

深受 1 万+ 开发者信赖

Not yet requested

Click the button to request notification permission.

Quick Presets

Notification Builder

Title *

Body

Tag

Same tag replaces previous notification

Delay (seconds)

0 = instant, up to 60 seconds

SilentRequire Interaction

Preview

Test Notification

This is a test notification from FreeTool24! 🔔

test

JavaScript Code

// Request permission first
if (Notification.permission === "default") {
  await Notification.requestPermission();
}

// Send notification
if (Notification.permission === "granted") {
  const notification = new Notification("Test Notification", {
  body: "This is a test notification from FreeTool24! 🔔",
  tag: "test"
  });

  notification.onclick = () => {
    window.focus();
    notification.close();
  };
}