Test your hardware, right in the browser.
A bench of tools for checking whether your mouse, keyboard, display, camera, microphone, GPU, CPU, battery, controller, or touchscreen are actually doing what they should. Nothing to download — everything runs locally on this page.
// Input
Double-Click Test
Catch mouse switch chatter and phantom keyboard repeats — logs the interval between every click and keypress.
Run testMouse & Scroll Test
Buttons, scroll wheel direction, cursor trail, and live movement speed / polling estimate.
Run testKeyboard & Rollover Test
Full-layout key tester — see which keys register, how many register at once (n-key rollover), and ghosting.
Run test// Display & graphics
Display & Dead Pixel Test
Full-screen solid colors and gradients to spot dead or stuck pixels, backlight bleed, and banding.
Run testRefresh Rate Test
TestUFO-style moving object plus a live Hz reading, measured straight from your browser's frame timing.
Run testWebGL / WebGPU 3D Stress Test
Thousands of instanced 3D objects with a live FPS counter, plus full GPU capability and WebGPU adapter info.
Run test// Audio & camera
Audio & Channel Test
Confirm left/right stereo channels are wired correctly and sweep tones across the frequency range.
Run testMicrophone & Frequency Tester
Live input level meter, frequency spectrum, and waveform view to confirm your mic is actually picking up sound.
Run testWebcam Diagnostics Test
Live preview, true resolution and frame rate, brightness estimate, device switching, and still capture.
Run test// Motion & input devices
Gamepad Test
Live view of every connected controller's buttons, triggers, and analog stick drift via the Gamepad API.
Run testTouchscreen Test
Multi-touch point tracker — checks simultaneous touch count, pressure, and tracking accuracy.
Run testMotion & Orientation Sensor Test
Accelerometer, gyroscope, and compass readouts with a tilt indicator — best tested on a phone or tablet.
Run test// System & performance
CPU Benchmark & Stress Test
Single-core and multi-core throughput via Web Workers, with live per-core activity across every logical core.
Run testBattery & Power Test
Live charge level, charging state, and time-to-full/empty estimates, with a charge-level history graph.
Run test