Dead Pixel Test
Use fullscreen solid colors to look for dead, stuck, hot or bright pixels.
Free online display testing tools
Free Online Screen Test
Check your screen for dead pixels, backlight bleed, color banding, ghosting and touch problems. No download required.
Trending, popular and recently used screen tools
Start with screen checks currently appearing in search, browse common workflows, or open the complete tool directory. Recently used tools are stored only in your browser after you open them.
Core screen tests
Choose the right test for what you see
Screen Color Test
Check RGB colors, grayscale, tint and visible marks in fullscreen mode.
Backlight Bleed Test
Use dark screens to inspect edge light, corner glow and uneven black levels.
Ghosting Test
Check motion trails, blur, overshoot and display response behavior.
ScreenTestKit helps with practical screen checks
Start with the guided screen tester, then run focused tests for pixels, color, motion, OLED image retention, touch response and device information. The tools are browser-based and designed for quick visual inspection before returns, repair requests or used-device purchases.
Fullscreen color screens and monitor calculators
Use focused color pages and display calculators for quick checks, buying decisions and setup comparisons.
International screen test pages
Localized screen testing pages are available for Japan, Indonesia, the Philippines, Germany, France, Vietnam, Korea, Poland, Thailand and Malaysia.