Online monitor test
Test your monitor or laptop screen right in the browser. Fullscreen mode with solid colors and test images helps you quickly find dead pixels, backlight bleed and other defects.
How to use
- Open the test on the computer or laptop you want to check.
- Click «Fullscreen» for fullscreen mode.
- Switch between colors and test images using the buttons.
- Carefully inspect the screen for dead pixels, spots, backlight bleed and uneven brightness.
- Press Esc to exit fullscreen mode.
- Enable fullscreen mode if needed for a more accurate check.
The test works for any monitor, laptop screen or TV. It is especially important to test a used monitor before buying - dead pixels and backlight bleed that are hard to spot during regular use are easy to find on a solid background. The test includes colors for finding dead and stuck pixels, gradients for color accuracy, and test images for sharpness.