Check dead pixels, backlight bleed, grayscale, gradients and display uniformity in fullscreen with custom colors and automatic playback.
Ready to check your screen?
Test complete! How does your screen look?
Click or swipe to switch; arrow keys navigate, Space plays/pauses, Esc exits. Controls hide automatically; move the mouse or tap Controls to reveal them.
Clean the screen and look straight on at everyday brightness. Dim room lighting for bleed tests. IPS glow changes with viewing angle and photos may exaggerate brightness. Inspect visually; this tool cannot diagnose or repair pixels or replace a colorimeter.
🔒 Patterns are generated in your browser. No screen capture, hardware permissions or data uploads.
Clean the surface, then switch black, white and RGB backgrounds. Dust may disappear after cleaning; a persistent defect at the same position needs further inspection.
IPS glow often changes with viewing angle; bleed may persist near edges. Inspect straight on at normal brightness. Photos can exaggerate it.
Phones and tablets support swipe navigation and window mode if fullscreen is unavailable. This tool helps visual inspection and cannot repair pixels.
Fullscreen unavailable. Testing in the browser window.
Click or swipe to switch; arrow keys navigate, Space plays/pauses, Esc exits. Controls hide automatically; move the mouse or tap Controls to reveal them.
Check dead pixels, backlight bleed, grayscale, gradients and display uniformity in fullscreen with custom colors and automatic playback.
Patterns are generated in your browser. No screen capture, hardware permissions or data uploads.
Browse this category: Image & Media
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