Display
Dead Pixel Test - Find Stuck & Dead Pixels on Your Screen
Check your monitor or LCD display for dead pixels and stuck pixels in the browser. Fullscreen display of 8 colors + grid + gradient for visual inspection.
Display
Webcam Checker - Live Preview, Resolution & FPS Stats
Test your webcam in the browser. Real-time display of resolution, FPS, and device name. Snapshot capture, mirror toggle, fullscreen, and quick mic check included.
Display
Screen DPI Calculator - PPI, Pixel Size & Display Area
Calculate PPI (pixel density), pixel size, and display area from your monitor's diagonal inches and resolution.
Display
Color Accuracy Test - Gray Ramp, Gamma & Color Identification
Visually check your monitor's color accuracy. Gray ramp, RGB ramp, gamma, and near-black/near-white identification tests.
Display
Color Match Game - Spot the Different Color
Find the one tile with a different color in the grid. A fun color matching game that gets harder as you level up.