The bench · 16 instruments

Free Tools to Test Your Devices

Quick browser tests for your microphone, camera, keyboard, controller, and screen, plus handy utilities. Everything runs locally on your device and nothing gets uploaded.

Audio

01Mic TestCheck your microphone online with a live level meter, waveform, and instant playback.
02Speaker TestPlay left and right channel tones and sweeps to verify your speakers work correctly.
03Headphone TestCheck stereo balance, left and right channels, bass, and frequency range of your headphones.

Camera

04Webcam TestTest your webcam in the browser and see resolution, frame rate, and a live preview.

Keyboard & Input

05Keyboard TesterPress any key to test it on a live on-screen keyboard. Find dead or stuck keys fast.
06Spacebar CounterCount how many times you can hit the spacebar. Timed modes and top speed included.
07Typing TestMeasure your typing speed in WPM with accuracy tracking in a clean one-minute test.

Mouse & Gaming

08Gamepad TesterTest every button, stick, and trigger on your PS5, Xbox, or PC controller online.
09Mouse TestCheck every mouse button, the scroll wheel, and double-click behavior in seconds.
10CPS TestFind your clicks per second with 1, 5, 10, and 60 second click speed modes.

Display

11Dead Pixel TestCycle fullscreen colors to find dead or stuck pixels on any monitor, TV, or phone.
12Monitor TestCheck your screen for backlight bleed, banding, sharpness, and uniformity issues.
13Screen Resolution CheckerInstantly see your screen resolution, viewport size, pixel density, and display info.
14Refresh Rate TestMeasure the real refresh rate of your monitor in Hz and check for dropped frames.
15Touch Screen TestPaint over a grid with your fingers to find dead zones and ghost touches on your screen.

Security

16Password GeneratorCreate strong random passwords and passphrases locally in your browser. Nothing is sent anywhere.