Dead Pixel Test: Run It Online + Safe Fixes
Detect stuck or dead pixels in seconds and try safe, non-invasive fixes. No download needed.
Professional hardware testing guides that pair directly with our in-browser diagnostic tools. Learn to identify issues, run tests, and troubleshoot problems with expert step-by-step tutorials.
Detect stuck or dead pixels in seconds and try safe, non-invasive fixes. No download needed.
Identify backlight bleed vs IPS glow, test at home, and know when to return a panel.
Check banding with an online gradient test and apply quick calibration tips.
Spot PWM flicker with a simple online test and reduce eye strain effectively.
Verify your refresh rate and detect frame skipping in minutes.
Test each key in your browser and fix stuck or missing keystrokes fast.
Check laptop speakers for left/right balance and common audio issues.
Trace, tap, and multi-touch to diagnose touchscreen issues in your browser.
Check camera and microphone quality safely in your browser with simple steps.
Calibrate gamma, brightness, contrast, and white point using online targets.