100% in-browser hardware diagnostic tools to test webcams, microphones, speakers, keyboards, mice, screens, and gamepads with zero server uploads.
Test webcam video feed, detect live FPS, resolution (up to 4K), aspect ratio, color balance, and capture test photos.
Test microphone input with real-time decibel VU meter, FFT frequency spectrum visualizer, and 5-second echo loopback.
Test stereo Left/Right audio channels, frequency response sweep (20Hz-20kHz), and 3D spatial surround sound.
Check screen refresh rate (Hz), detect dead pixels with fullscreen color cycles, and test contrast gradient banding.
Interactive virtual keyboard tester with anti-ghosting multi-key rollover benchmark and mechanical switch chatter detection.
Test mouse buttons, scroll wheel speed, polling rate, and identify microswitch double-click faults.
Calibrate Xbox, PlayStation, and Switch controllers with live stick drift radar, trigger pressure gauges, and rumble test.
All-in-one 10-second diagnostic for Zoom, Google Meet, and Teams testing camera, mic, speaker, and WebRTC latency.