Browser & Device Tools
Comprehensive testing tools for web developers and QA professionals. View detailed browser, device, OS and system information, detect supported Web APIs and browser features, test keyboards for broken keys, ghosting and rollover, test microphones with real-time audio visualization, run 12 professional monitor tests including dead pixels, gamma and burn-in fix, test mouse buttons, scroll wheel, CPS and drag-and-drop, check screen refresh rate, resolution, viewport size, pixel ratio and color depth, calculate physical screen dimensions and PPI, test speakers with stereo channel tests and frequency sweeps, test touchscreens and touchpads for dead zones and multi-touch, generate and parse User Agent strings, test webcam quality, and test gamepad buttons, joysticks, triggers and vibration.
Test your speakers and headphones online. Check left and right channels, sweep frequencies from 20 Hz to 20 kHz, and play tones, noise, or your own audio.
Test your webcam with a live preview, capture photos, and check microphone levels. View camera resolution, FPS, aspect ratio, and lighting.
Test mouse buttons, scroll wheel, click speed (CPS), double-click, and drag. Visual feedback and live counters show if every button works.
Test every key on your keyboard in the browser. Pressed keys glow, tested keys turn green, and a history log catches ghosting and double-typing. Full, TKL, and MacOS layouts.