Responsive Design Tester
Preview your website on multiple screen sizes and devices
Enter Website URL
Enter the URL of the website you want to test
Note: Some websites may block iframe embedding for security reasons
Mobile
Tablet
Desktop
Custom Size
Select a device to preview
No Device Selected
Choose a device from the sidebar to preview your website in different screen sizes
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About Responsive Design Tester
What is Responsive Design Testing?
Responsive design testing ensures your website looks and functions correctly across different devices and screen sizes. This tool allows you to preview your website on various devices including smartphones, tablets, and desktop computers without needing physical devices.
How to Use
- Enter the URL of the website you want to test
- Select a device from the sidebar (Mobile, Tablet, or Desktop)
- View your website in the selected screen size
- Use the Rotate button to switch between portrait and landscape
- Try custom dimensions for specific screen sizes
- Test multiple devices to ensure responsive compatibility
Included Devices
- Mobile: iPhone 14 Pro/Max, iPhone SE, Samsung Galaxy S23, Google Pixel 7, OnePlus 11
- Tablet: iPad Pro (11" & 12.9"), iPad Air, iPad Mini, Galaxy Tab, Surface Pro 9
- Desktop: MacBook Air/Pro, Full HD (1080p), 2K (QHD), 4K (UHD)
- Custom: Set any custom width and height
Features
- 18+ device presets covering popular devices
- Live website preview with iframe
- Portrait and landscape orientation support
- Custom screen size testing
- Device frame visualization
- Scaled preview for large screens
- Real-time dimension display
- Beautiful device categorization
- Dark mode support
Important Notes
- • Some websites block iframe embedding for security (X-Frame-Options header)
- • This tool shows visual layout only - test actual devices for touch interactions
- • Network speed and device performance may vary on real devices
- • Always test on real devices before final deployment
- • Use browser DevTools for additional responsive testing features