Category · 8 tools

Peripherals & Input Testing

Check the things you type, click, tap and talk into, using the browser you already have open. Nothing is recorded, and nothing leaves your device.

Keyboard and mouse

The two devices that fail most often, and the timing checks that show how.

  • Keyboard TesterPress every key and watch it light up, including the ones your system takes first.Finds Keys that do not register · stuck keys · rollover limitsOpen →
  • Mouse TesterButtons, wheel direction and the time between clicks, as the browser receives them.Finds Button and wheel faults · double-click timingOpen →
  • Double Click TestCounts the presses that arrive from one deliberate click, and lists the intervals.Finds Extra clicks from one pressOpen →
  • Click Speed Test (CPS)Counts your clicks over a timed run. A measure of you, not of the mouse.Finds Your clicks per second over a timed runOpen →

Touch, trackpad and pen

Pointer tests for a touchscreen, a trackpad and a stylus.

  • Touchscreen TestA grid that fills in as you touch it, for finding dead zones and stray touches.Finds Dead zones · ghost touches · multi-touch countOpen →
  • Trackpad TestMovement, buttons, scrolling and pinch gestures, as the browser reports them.Finds Movement · buttons · scroll and pinch gesturesOpen →
  • Stylus / Pen Pressure TestA canvas that draws with pen pressure and tilt, and says plainly when a pen reports neither.Finds Pressure · tilt · what the pen reportsOpen →

Camera, microphone and controllers

These ask your browser for permission first, or need a device plugged in.

  • Gamepad / Controller TesterController neededButtons, sticks and triggers on a connected controller, read while the page is open.Finds Buttons · sticks · triggersOpen →