All Tools
Every free, browser-based screen tool on the site, in one place. Each one runs entirely in your browser, no download or sign-up.
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White Screen
Fullscreen white display for cleaning, dead pixel checks, and lighting.
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Black Screen Test
Check for backlight bleed and IPS glow, or save OLED power.
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Lighting
Adjustable screen light for video calls, flashlight use, and tracing.
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Wallpaper
View or download a solid color image at any resolution, up to 4K.
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Dead Pixel Test
Cycle through colors to find dead or stuck pixels, with a repair mode.
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Touch Screen Test
Grid and draw modes for finding touch dead zones, with multi-touch tracking.
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X-Ray
Bright fullscreen light source for viewing X-ray film at home.
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Background / Video
Adjustable white backdrop for filming, photography, and presentations.
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Chroma Key Screen
Fullscreen green, blue, or magenta backdrop for video production.
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Color Screens
Any color you pick, including sampling directly from your screen.
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Mini-LED Blooming Test
Static and moving bright shapes on black to check local-dimming halos.
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DVD Screensaver
The classic bouncing logo, with custom text or image and a corner-hit counter.
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Broken Screen Prank
Realistic cracked-glass effect for a harmless prank.
Every tool listed here was built by Cedrick Reese and runs entirely in your browser. Each tool page explains what it shows, what it can't measure, and which sources it relies on, if any.