PC hardware testing tools
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- Input
Keyboard
See whether keys stick, miss, or respond as you press them.
- Input
Keyboard ghosting
Hold several keys and see how many the browser reports at once.
- Input
Mouse
Check whether buttons, the wheel, and side inputs appear in the browser.
- Input
Mouse double-click
Watch click intervals when you press the same button quickly.
- Input
Mouse wheel
Observe up/down wheel events, reversals, and gap patterns.
- Display
Screen
Step through color patterns to look for blotches or dead pixels.
- Display
Monitor patterns
Inspect gray steps, gradients, contrast, grids, and related patterns.
- Display
Refresh estimate
After Start, estimate Hz from browser frame timing.
- Display
Monitor backlight
Use dark patterns to visually check edge glow or uneven lighting.
- Audio
Microphone
Speak and watch whether the input level moves.
- Audio
Speaker
Check whether a low tone plays on the left and right.
- Audio
Headphones
Check left, right, center, and short spot tones at a low level.
- Camera
Webcam
Check whether the preview appears and looks focused.
- Game
Gamepad
Check whether buttons and sticks respond on screen.
- Game
Controller drift
Calibrate neutral with hands off, then watch how far the sticks move.
- Print
Printer
Use browser print to check color blocks, grids, text, and margins.
- Input
Touchscreen
See active pointer count and trails when you touch the surface.
- System
Device & browser info
Collect viewport, screen size, DPR, and other values the browser already exposes.