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Compare alternating black/white stripes with a calculated solid grey.
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Files and inputs stay on your device. Use Reset to clear this workspace.
Useful to know
What does this tool establish?
View at 100% zoom from a distance where stripes blend. Scaling can invalidate this visual match. The adjustable power-law gamma is an approximation; sRGB has a linear toe and HDR uses other transfer functions.
Does this certify the screen?
No. Browser signals, calculations and visual observations cannot certify physical panel specifications or defects.
Where are my files and inputs processed?
Calculations and observations stay in this tab. Optional observation saving starts off and uses only this device. Turn it off or use Clear observation to remove that saved note. Downloaded reports remain on your device.
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