Screen Test Tool
Analyze your display properties and run visual tests
Screen Resolution
Calculating...
Width × Height in pixels
Device Pixel Ratio
Calculating...
Physical pixels per CSS pixel
Refresh Rate
Calculating...
Estimated screen refresh rate in Hz
Screen Size
Calculating...
Estimated diagonal size in inches
Color Tests
RGB Color Band
Grayscale Test
Contrast Test
This tool runs entirely in your browser and does not send any data to a server.