Screen Resolution Checker
Check your screen resolution, viewport size, pixel density (DPI), and device pixel ratio. Perfect for responsive design testing and display troubleshooting.
Check your screen resolution, viewport size, and display information. Useful for responsive design testing and display troubleshooting. Values update in real-time as you resize your browser.
Common Breakpoints
How to Use
- Your screen information is displayed automatically
- Resize your browser to see viewport changes in real-time
- Use the pixel ratio for responsive image sizing
- Reference the media query for CSS breakpoints
Frequently Asked Questions
❓ Is this tool free?
Yes! All our tools are completely free. No registration, no hidden charges, no ads. Just open and use.
🔒 Is my data safe?
Absolutely. All calculations happen in your browser. We don't store, send, or track any of your data. Everything is processed locally on your device.
📱 Can I use this on mobile?
Yes! All our tools are fully responsive and work perfectly on smartphones, tablets, and desktops.
🌐 Do I need internet?
No! Once the page loads, you can use the tool completely offline. All calculations happen in your browser without any server connection.