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
Pixels físicos vs lógicos?▼
Device Pixel Ratio (DPR) multiplica. DPR 2 = cada pixel lógico usa 2x2 físicos (Retina).
O que é DPI?▼
Dots Per Inch. Monitores ~96 DPI, impressão ~300 DPI. Telas Retina: ~220+ DPI.
Resolução vs viewport?▼
Resolução: pixels físicos totais. Viewport: área visível no navegador em pixels lógicos.
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