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🎨 Redesigned & Improved! • All-new modern interface for the Home screen and menu • Light, Dark, and System theme support • New tests: Sharpness, Gamma, Gradient, and Scribble • Performance improvements and bug fixes Update now and discover the improved Display Checker experience!
Test pixels, touch, color, sharpness, and display quality with Display Checker.
🔍 Display Checker – Test & Diagnose Your Screen Is your phone's display really flawless? Display Checker is a complete screen testing and diagnostic toolkit that helps you find dead pixels, display uniformity issues, color banding, touch problems, sharpness issues, and more. Whether you've just bought a new phone, you're checking a second-hand device, or you simply want to understand your display better, Display Checker gives you the tools to test your screen quickly and easily. ✨ MODERN & IMPROVED • Completely redesigned, modern interface • Faster and more intuitive experience • System, Light, and Dark theme support • New Sharpness, Gamma, Gradient, and Scribble tests 📋 COMPLETE DISPLAY TESTS • Defective Pixel Test — find dead, stuck, or discolored pixels • Screen Uniformity Test — check brightness and color consistency across the panel • Viewing Angle Test — evaluate how colors and contrast change from different angles • Sharpness Test — use a precision Siemens star chart to check display sharpness • Gradient Test — identify visible color banding and uneven color transitions • Gamma Test — evaluate display gamma using checkerboard patterns • Touch Accuracy Test — test taps and dragging across the entire screen • Scribble Test — draw across the display to help identify touch dead zones • Display Info — view resolution, pixel density, refresh rate, HDR support, and other display details 🎯 WHY USE DISPLAY CHECKER? • Fast — run individual tests in seconds • Comprehensive — test pixels, color, sharpness, viewing angles, and touch in one app • Easy to use — clean interface with no complicated setup • Easy to share — share Display Checker with friends in one tap so they can test their screens too • Lightweight — focused on display testing without unnecessary clutter 👥 USEFUL FOR • New phone buyers — check your display right after purchase • Second-hand phone buyers — test the screen before buying • Everyday users — identify potential display or touch issues • Resellers & repair technicians — quickly check displays across multiple devices Know your screen before you trust it. Download Display Checker and test your display with a complete set of easy-to-use screen diagnostics.