Test your equipment. Right in your browser.

Keyboard

Click Start, then press keys to see their physical positions, received key values, held keys, and automatic repeats.

Mouse

Move your mouse, click its five buttons, and scroll inside the test area to follow the input events received by the browser.

Display

Show solid colors in fullscreen and inspect your display closely to look for dead pixels or pixels stuck on one color.

Touchscreen and multitouch

Test multiple fingers, draw on a grid and see which screen regions received touch input.

Digital pen and drawing tablet

Check strokes, pressure, tilt and buttons from your digital pen in the browser.

Laptop touchpad

Check movement, clicks, dragging and horizontal and vertical scrolling on your touchpad.

Trackball and vertical mouse

Test movement, buttons and scrolling on a trackball or vertical mouse without installing software.

Numpad and macropad

Check keys, simultaneous combinations and repeat events on numeric keypads and macropads.

USB barcode and QR scanner

Inspect characters and terminators from a physical barcode or QR scanner in keyboard mode.

Presentation remote, USB pedal and accessibility switch

Identify commands from slide remotes, USB foot pedals and accessibility switches.

Gaming and simulation

Controllers

Test your gamepad online: buttons, triggers, analog sticks and center offset in real time. No installation or account. Save and restore your controller mapping.

Racing wheel

Inspect steering input, center, observed range and buttons on your racing wheel in the browser.

Racing pedal

Test throttle, brake and clutch with configurable axis or button assignments and live readings.

Sim racing shifter and handbrake

Check recognized gears and analog handbrake travel on a racing simulator setup.

Joystick, flight stick and HOTAS

Explore axes, throttle, buttons and hat switches on a joystick or HOTAS with custom mapping.

Arcade stick, hitbox and dance mat

Check directions and simultaneous buttons on arcade sticks, hitboxes, dance mats and game instruments.

Audio and music

Audio

Start at low volume and play tones through the left, right, or both channels. Microphone permission is requested separately to show its input level.

MIDI instruments

Test MIDI keyboards, electronic drums and pedals in your browser. View notes, velocity, channels and control messages live, without installing an app.

MIDI keyboard, digital piano and synthesizer

Inspect notes, velocity, channels, pitch bend and modulation from musical keyboards and digital pianos.

Electronic drum and MIDI multipad

Check each pad, note, velocity and hi-hat commands from an electronic drum kit or multipad.

MIDI DJ controller

Monitor MIDI pads, buttons, faders and knobs on a DJ controller directly in your browser.

MIDI foot controller and pedalboard

Check program changes, CC commands and expression from a MIDI foot controller.

MIDI sustain and expression pedal

Compare sustain and expression values and capture released and pressed pedal positions.

Camera and sensors

Camera

Click Start, allow camera access, and select a connected device to see its live preview directly in your browser.

Sports sensors

Test compatible Bluetooth heart rate, cycling speed and cadence sensors. View live BPM, RPM, speed and connection status directly in your browser.