Responsive Design Tester

Test your website across multiple device sizes and resolutions in real-time

Enter Website URL

Note: Some websites may not load due to security restrictions (X-Frame-Options). Try different URLs if needed.

📱 iPhone SE
📱 iPhone 12
📱 iPad
📱 iPad Landscape
💻 Desktop
Custom: ×
Viewport: 375 × 667 px
iPhone SE

📋 Responsive Design Testing Tips

  • Test Common Breakpoints: 320px (mobile), 768px (tablet), 1024px (desktop), 1440px (large desktop)
  • Check Navigation: Ensure menus work properly on mobile devices
  • Test Touch Targets: Buttons should be at least 44px for mobile usability
  • Verify Content: Make sure all content is accessible and readable on small screens
  • Test Performance: Mobile devices may load slower than desktop
  • Check Images: Ensure images scale properly and don't break layouts
  • Test Forms: Form inputs should be easy to use on touch devices
  • Orientation Testing: Test both portrait and landscape orientations