Screen Tester
Run dead pixel, color, gradient, grid, and contrast checks on monitors, laptop screens, TVs, and external displays.
How to Use
Open the test pattern in a large preview or fullscreen mode.
Check solid colors for dead pixels, stuck pixels, stains, and uneven brightness.
Use gradients to look for banding and color shifts.
Use grid and contrast patterns to inspect alignment, scaling, and sharpness.
Features
FAQ
Use this screen tester when buying a monitor, checking a laptop display, inspecting a TV, diagnosing dead pixels, comparing external screens, or checking brightness and color uniformity.
About Screen Tester
Test monitors, laptop screens, TVs, and external displays with fullscreen solid colors, dead pixel checks, gradients, contrast patterns, and alignment grids. Useful when buying, repairing, cleaning, or comparing screens.
Processing Note
Screen Tester runs in your browser, so the input you enter is processed locally on this page and is not uploaded to a ToolMintX account.
Tool Limits
IT tools provide quick diagnostics and transformations. They cannot see every private network, deployment setting, proxy, firewall, or production edge case.
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