Screen Master - Dead Pixel Tester

A simple screen tester for detecting dead pixels and display issues

itle: The Ultimate Screen Health Check & Dead Pixel Tester Did you just buy a new monitor? Don't let defects go unnoticed! Screen Master is a professional, lightweight tool designed to detect dead pixels, stuck pixels, and backlight bleeding on your LCD, LED, OLED, or 4K monitors instantly. Unlike simple color cyclers, Screen Master includes a Smart Analysis Engine that generates a professional quality report based on your findings, offering maintenance tips to keep your display in top condition. 🔥 Key Features: 🎨 Full-Spectrum Test Patterns: Cycle through Red, Green, Blue, White, and Black to spot dead/stuck pixels easily. 💡 Backlight Bleeding Test: Dedicated dark mode to check for IPS glow and panel leakage. 🤖 Smart Quality Report: Found an issue? Input your observations, and our engine will generate a professional assessment report with a health score. 🛡️ Maintenance Tips: Get expert advice on how to clean and protect your screen based on its condition. ⚡ Instant & Lightweight: No heavy installation, runs in full screen with a single click. 🔒 Privacy First: We do not collect any personal data. Everything runs locally in your browser. Who is this for? Gamers checking high-refresh-rate (144Hz/240Hz) monitors. Designers ensuring color accuracy and panel uniformity. Anyone who bought a second-hand laptop or display. How to use: Click the extension icon. Select "Auto Test" or "Manual Mode". Look for dots that don't change color (dead pixels). Generate your screen health report at the end! Keywords for search: dead pixel test, monitor calibration, screen tester, stuck pixel fixer, backlight bleed check, LCD test, OLED burn-in check, display diagnostic tool, 4K monitor test.