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DisplayMaster.dev
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Screenster
Screen Tester
DisplayMaster is a professional-grade monitor testing tool that runs entirely in your browser. Whether you just unboxed a new display or want to check an existing one, DisplayMaster gives you everything you need to verify screen quality in minutes. Key Features:
๐ด Dead Pixel Detection โ Cycle through solid color screens (red, green, blue, black, white) to instantly spot stuck or dead pixels
๐ก Backlight Bleed Test โ Use a full black screen in a darkened room to reveal uneven backlight bleeding around screen edges
๐จ Color Accuracy Test โ Verify gradient rendering and color uniformity across your entire display
โก No Installation Needed โ Works on any modern browser, on any operating system
๐ Privacy-First โ Fully client-side, no data is collected or uploaded
DisplayMaster is ideal for consumers receiving new monitors, PC builders doing quality checks, and professionals who need color-accurate displays for design or video work. Free to use. No account required. Works on Windows, macOS, Linux, and Chromebook.
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