Output
Steady colors, steps or fine-line patterns
Adjust display settings by eye using grayscale, gradient and geometry patterns.
Monitor Calibration · At a glance
Quick answer: Adjust display settings by eye using grayscale, gradient and geometry patterns. Visual adjustment can improve readability and reduce obvious clipping.
The test loads when you open it. Device access is requested only after you choose to start.
Detailed guide
Steady colors, steps or fine-line patterns
Manual visual inspection
Native resolution; fullscreen support
Runs on your device; no tool-result upload
These are visual inspection patterns. The page cannot read individual panel pixels, measure nits or contrast ratio, diagnose a panel automatically, or repair dead pixels.
Visual adjustment can improve readability and reduce obvious clipping. It cannot produce an instrument-verified color profile.
Write down original settings before changing them. Dynamic contrast and automatic brightness can interfere with a repeatable comparison.
Use native screen resolution and 100% browser zoom for fine patterns. Disable adaptive brightness for comparisons. PWM inspection needs an external camera; banding can also be a camera artifact.
No. A measured profile requires suitable color measurement and profiling software. The page supplies visual adjustment patterns.
Choose a pattern and open fullscreen. Inspect the entire panel, then click to cycle patterns. Press Escape to leave fullscreen.
No. Open the interactive tool above in a modern browser. The instructions and explanations are available even with JavaScript disabled; running a test needs JavaScript.
Power settings, background tasks, browser scheduling, operating-system input processing and device settings affect measurements. Compare repeated attempts with identical settings rather than the single highest score.