Responsive Tester

Test how any website looks across device viewports. Enter a URL and pick a device below.

📱 Mobile

📋 Tablet

💻 Desktop

Viewport: 390 × 844 px

https://example.com Powered by SizeScreen

Many sites (Google, Facebook, etc.) block iframe embedding via X-Frame-Options. Use a URL like https://example.com or your own site.