Free Screen Resolution Checker

Instantly check your monitor resolution, DPI, pixel density, colour depth and browser viewport dimensions.

🔧 Screen Resolution Checker

Screen Resolution

Viewport (px)

Pixel Ratio

Colour Depth

Orientation

Aspect Ratio

Device

Frequently Asked Questions

Screen resolution is your monitor's full pixels. Viewport is the browser window size, smaller due to browser chrome and taskbar. CSS media queries use viewport.

DPR 2 means a Retina display with 4x pixel density. Use 2x images for Retina displays to appear sharp.

Related Tools

📱

QR Code Generator

Create QR codes

🔒

Password Strength

Test passwords

⏰

Pomodoro Timer

Boost productivity