Free Online Keyboard, Mouse & PC Test Tools
Everything you need to check a laptop or PC before you buy it, after a repair, or when something stops working. All tools run in your browser, free, with nothing to install.
Keyboard tools
Keyboard TesterTest every key on Windows and Mac keyboards, including media keys and numpad.Typing Speed TestCheck your typing speed in WPM and accuracy, in English or Hindi.Keyboard Ghosting TestCheck anti-ghosting and how many keys work at the same time (NKRO).Key Chatter TestFind keys that type twice from one press (key chatter / double typing).Keyboard Latency TestMeasure the delay between a key press and the screen reacting.Spacebar CounterCount how fast you can press the spacebar in a set time.
Mouse & touchpad tools
Mouse TesterTest left, right, middle, back and forward buttons plus the scroll wheel.Double Click TestFind a faulty mouse that double clicks when you click once.CPS TestMeasure your clicks per second over 1 to 60 seconds.Touchpad TestTest laptop touchpad tracking, clicks, two-finger scroll and pinch zoom.Gamepad TesterTest controller buttons, triggers, joysticks and vibration.
Laptop & PC checkup
Mic TestCheck your microphone with a live level meter, waveform and recording.Webcam TestCheck your camera works, see its resolution and frame rate, and take a snapshot.Speaker TestTest left and right speakers, bass and the full frequency range.Dead Pixel TestFind dead or stuck pixels and backlight bleed with full-screen colours.
Checking a second-hand laptop?
Run these in order: Keyboard Tester → Touchpad Test → Dead Pixel Test → Speaker Test → Mic Test → Webcam Test. Together they take about 5 minutes and cover the parts that most often fail.