Responsive Website Checker
Test your website's responsiveness across different devices and screen sizes
When to Use This Tool
✅ Your Own Websites
Perfect for testing your own sites, portfolios, or projects. Works great for development and staging environments.
✅ Client Projects
Test client websites you're developing. Quick way to check responsiveness without opening multiple browser windows.
⚠️ Limitations
Major sites (Google, Facebook, banks, etc.) block iframe embedding for security. This is expected behavior, not a tool limitation.
💡 Alternative: Browser Dev Tools
For sites that block embedding, use your browser's built-in responsive design mode:
- Chrome/Edge: F12 → Click device icon (or Ctrl+Shift+M)
- Firefox: F12 → Click responsive design mode (or Ctrl+Shift+M)
- Safari: Develop menu → Enter Responsive Design Mode