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