About This Tool
What is Screen Resolution / DPI?
A tool for checking screen resolution, DPI, viewport size, device pixel ratio, and other display information. Useful for responsive web design, display settings verification, and browser environment identification.
How to Use
- Screen information is automatically displayed when you visit the page.
- Check screen resolution, viewport size, DPI, and more.
- Additional info like touch support and color depth is also available.
Key Features
- Screen resolution and viewport size
- Device pixel ratio (DPR) and estimated DPI
- Color depth and orientation info
- Browser language, platform, and environment details
Tips
- A device pixel ratio (DPR) of 2 indicates a Retina display.
- Common resolutions: FHD (1920x1080), QHD (2560x1440), 4K (3840x2160).
- Resizing the browser window updates viewport info in real time for responsive design testing.
Frequently Asked Questions
Risoluzione vs viewport?▼
Risoluzione = pixel fisici. Viewport = area web nel browser. Viewport per design responsivo.
DPR?▼
Pixel fisici / CSS. DPR 2 = 2×2 per CSS pixel. Display Retina.
Differenza dalle specifiche?▼
Scala OS modifica la risoluzione riportata. 4K a 200% = 1920x1080 CSS con DPR 2.
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