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Free Online Dead Pixel Test - Instantly Check Your LCD & OLED Screen Quality

Wondering if your screen has dead pixels or other display issues? Use our free online dead pixel checker to quickly identify faulty pixels on LCD, OLED, or LED screens. With full-screen color testing, you can spot dead, stuck, or discolored pixels and verify your screen’s resolution without any downloads.


Key features include:

  • Quick Pixel Detection: Instantly identify dead or stuck pixels using full-screen color tests.
  • Comprehensive Screen Check: Test colors across your entire screen to ensure display quality.
  • Device Compatibility: Works seamlessly on LCD, OLED, and LED screens across devices.
  • Resolution Verification: Confirms your screen’s resolution for optimal visual quality.
  • Secure & Private: Entirely browser-based with no data storage or downloads.


Get started with your display test now to ensure your screen is performing at its best!


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How to Use the Free Dead Pixel Checker

Using the dead pixel test is simple. Follow these steps:

  1. Open the Tool: Access the dead pixel checker in your browser.
  2. Cycle Through Colors: Begin the test and inspect each color screen for pixel anomalies.
  3. Spot Dead Pixels: Look for black spots on bright colors or pixels stuck on specific colors.
  4. Verify Resolution: Ensure your screen’s resolution is set optimally for better visual experience.

Why Test LCD and OLED Screens with Our Tool?

Testing your screen quality with our tool is an effective way to:

  • Detect Dead and Stuck Pixels: Spot issues early to maintain a high-quality display.
  • Ensure Display Quality: Keep your screen optimized for activities like streaming, gaming, and design work.
  • Optimize Resolution Settings: Automatically checks resolution to prevent strain and enhance clarity.
  • Universal Device Compatibility: Suitable for any screen type-LCD, OLED, or LED-across all devices.

Frequently Asked Questions

How does the dead pixel checker work?

The tool displays full-screen colors one by one to make dead pixels appear as black dots that don’t change. Stuck pixels may stay on one color.

Is it safe to use this online dead pixel checker?

Yes, it’s entirely safe. This tool only displays colors on your screen and does not alter settings or store data.

Can I test both LCD and OLED screens?

Yes. This tool supports LCD, OLED, and LED displays, allowing you to test any screen.

Will this tool work on mobile devices?

Yes! The test works on both desktop and mobile devices. Just open the tool in your mobile browser to check your screen.


Conclusion: Ensure Your LCD or OLED Screen is Performing at Its Best

If you suspect display issues like dead pixels, our free online dead pixel checker can help you identify and address potential problems quickly. Verify your screen’s resolution, spot any pixel imperfections, and keep your device’s display at optimal performance with this easy, browser-based tool.


Ready to check your screen quality? and ensure your display is in top condition!