Screen Resolution Checker
Professional screen resolution checker with comprehensive display information. Free online tool with instant results.
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What is Screen Resolution Checker?
Screen Resolution Checker detects your monitor's physical resolution, browser viewport size, and device pixel ratio (DPI).
Key Benefits
- Instant specs
- Viewport check
- Retina detection
- Responsive test
Common Use Cases
- •Web design
- •Gaming setup
- •buying monitors
- •Troubleshooting
How to Check Resolution
- Open: Simply open the tool.
- View: See Width, Height, and Pixel Ratio.
- Resize: Resize window to see live updates.
Key Features
- Detect current screen resolution
- Viewport and window dimensions
- Device pixel ratio
- Common resolutions comparison
- Responsive breakpoint check
- Copy resolution information
Frequently Asked Questions
What does it detect?
Your physical screen size, browser window size (viewport), and pixel ratio.
Retina display?
Yes, detects high-DPI (Retina) screens via Device Pixel Ratio.
Mobile?
Works on phones to show actual CSS resolution.