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About Screen Tester
Screen Tester is a free online screen and monitor testing tool that helps users check their displays for common problems. It provides 28+ browser-based tests for dead and stuck pixels, colors, gradients, brightness, contrast, gamma, sharpness, and other display characteristics.
The tool works directly in a web browser without requiring installation or registration. It can be used to check monitors, laptop screens, phone displays, TVs, and other compatible displays.
Screen Tester is useful when buying a new display, troubleshooting an existing screen, or simply checking display quality. Users can run fullscreen test patterns and visually inspect their screen for abnormalities.
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