Run a full-screen RGBW and black color cycle test to detect dead pixels, stuck pixels, and OLED burn-in on your phone, tablet, or laptop — free, instant, browser-based.
🚀 Launch Free Tool →✅ Full-screen RGBW color cycle
✅ Dead & stuck pixel detection
✅ OLED burn-in checker
✅ Touch grid matrix test
✅ Works on any device with a browser
Use this tool to cycle through solid red, green, blue, white, and black full-screen colors. Dead pixels will appear as static dots that do not match the current color.
Sometimes. Stuck pixels (not completely dead) can sometimes be fixed by running a rapid color flicker. This tool includes that option.
Yes! Open the page on any device with a browser — phone, tablet, or laptop — and run the full-screen test.