Screen Master - Dead Pixel Tester

About

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.