🖥️ Online Screen Test Tool

Display different interfaces on the monitor for tests such as dead pixels, backlight bleeding, contrast, and color gamut saturation.

Resolution Information

Current Resolution:

Browser Window:

Device Pixel Ratio:

⚠️ Resolution information is for reference only. It is recommended to disable the browser zoom function for the best test results.

All Test Items

🎨 Solid Color Test

Display a solid color background to find pixel defects

💡 Backlight Bleed Test

Observe screen edge for backlight bleeding on a black background

📺 Interference Test

Check if the screen has stripes, ripples, or other interference patterns

🔍 Focus Test

Observe the edges of text and images to check screen clarity and sharpness

🌗 Contrast Test

Observe the sense of hierarchy in light and dark areas to check contrast performance

🔳 Grayscale Test

Display black and white transitions to check the screen's grayscale performance

🌈 Color Saturation

Test the screen's color performance and saturation level

💨 Breathing Effect

Check if the screen brightness changes periodically

Precautions

This test tool usually does not cause any damage to your display device and cannot replace professional testing equipment. There is high voltage in the display device, so non-professionals should not repair it by themselves. The test results of this tool are for reference only, and we are not responsible for the test results and any consequences.

💡 Operation Tips:
• Click any test item to enter full-screen test mode
• Use the keyboard arrow keys or click the screen to switch colors/modes
• Press the ESC key or click the exit button to return to the main interface
• It is recommended to test in a darker environment for better results

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