Screen Resolution Checker
Check screen size, viewport, DPR, and orientation in real time.
Live screen and viewport data with one-click copy
正在检测刷新率...
Screen Resolution
SCREEN-
Available Screen: -
Viewport Size
VIEWPORT-
Window Size: -
Device Pixel Ratio
Refresh Rate
-
Orientation
Color Depth
-
DetailsSystem values
About This Tool
This screen resolution checker quickly gathers key size data for your device and browser. It shows physical screen resolution, available screen size, viewport and outer window dimensions, plus device pixel ratio (DPR), color depth, pixel depth, and orientation. It is ideal for responsive layout and multi-device debugging. All data is read locally and never uploaded.
Features
- 🖥️ Multi-dimension: Screen, available area, viewport, and window sizes
- 🔍 High Precision: Shows DPR, color depth, and pixel depth
- 🧭 Orientation: Detects orientation type and angle
- ⚡ Live Updates: Auto-refresh on resize or rotation
- 📋 One-click Copy: Copy the full parameter list
- 🛡️ Privacy First: Local-only data, no uploads