All Tools

Test, calibrate, and fix your display with 12 professional tools: Dead Pixels, Master Pattern, SMPTE Bars, Gamma, Response Time, Burn-in Fix, and more.

Test your laptop touchpad functionality - detect taps, gestures, multi-touch, and pointer tracking in real-time.

Test your monitor's refresh rate with visual animations. Compare 30Hz, 60Hz, 120Hz side by side and detect frame drops instantly.

Calculate physical screen dimensions, pixel density (PPI), and compare different monitors, laptops, tablets, and phones by diagonal size and resolution.

Measure objects on your screen in centimeters or inches with precise calibration. Place your item against the ruler and read the measurement.

Check your screen resolution, browser viewport size, device pixel ratio, color depth, and aspect ratio. Compare with common resolutions instantly.

Test your typing speed and accuracy. Measure WPM (words per minute), CPM (characters per minute), and track progress with real-time stats.

Test your microphone with real-time audio visualization. Check volume levels, record audio, and verify mic quality before calls or recordings.

Test your speakers and headphones with stereo channel tests, frequency sweeps, and audio playback. Check left/right channels, bass, and treble.

Test your webcam video quality, capture photos, and check microphone audio levels. View camera resolution, FPS, and lighting conditions.

Test mouse buttons, scroll wheel, click speed (CPS), and drag functionality. Visual feedback shows if all buttons work properly.

Test your keyboard for broken keys, ghosting, and rollover issues. Supports Full (100%), TKL (80%), and MacOS layouts with visual feedback.