Device tests
Device tests check a keyboard, mouse, screen, speakers, webcam, microphone, and gamepad from the browser, and measure reaction time and typing speed. Camera and microphone input is shown on screen only and is not recorded.
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Keyboard TestPress any key to check that your keyboard registers it, see its key name and code, and track every key you have tested.Mouse TestCheck the left, middle, right, and side buttons and the scroll wheel of your mouse, and spot unintended double clicks.Dead Pixel TestFill the screen with solid red, green, blue, white, black, and other colors to find dead or stuck pixels on a monitor or phone.Webcam TestCheck that your webcam works by viewing a live preview with its name, resolution, and frame rate; nothing is recorded or sent.Mic TestCheck that your microphone picks up sound by watching a live level meter and peak reading; no audio is recorded or sent.Typing Speed TestTest your typing speed in words per minute and your accuracy by copying a short passage, with live results as you type.
All 12 device tests, A to Z
- CPS TestMeasure how many times you can click per second over 1, 5, 10, 30, or 60 seconds and see your total clicks and average rate.
- Dead Pixel TestFill the screen with solid red, green, blue, white, black, and other colors to find dead or stuck pixels on a monitor or phone.
- Gamepad TesterCheck every button and analog stick on a connected game controller and see live axis values that reveal stick drift.
- Keyboard TestPress any key to check that your keyboard registers it, see its key name and code, and track every key you have tested.
- Mic TestCheck that your microphone picks up sound by watching a live level meter and peak reading; no audio is recorded or sent.
- Mouse TestCheck the left, middle, right, and side buttons and the scroll wheel of your mouse, and spot unintended double clicks.
- Online Tone GeneratorPlay a tone from 20 to 16,000 Hz as a sine, square, sawtooth, or triangle wave through the left, right, or both speakers.
- Reaction Time TestTest your reaction time by clicking as soon as the box turns green, and see each result and your average over five tries.
- Refresh Rate TestMeasure the refresh rate in Hz that your browser is drawing at on the current screen, using a two second frame timing test.
- Spacebar CounterCount how many times you press the space bar in 1, 5, 10, 30, or 60 seconds and see your average presses per second.
- Typing Speed TestTest your typing speed in words per minute and your accuracy by copying a short passage, with live results as you type.
- Webcam TestCheck that your webcam works by viewing a live preview with its name, resolution, and frame rate; nothing is recorded or sent.