Online Device Tests for Keyboard, Mouse, Touch Screen, Webcam & Audio
Check whether a key, click, touch point, camera, mic, speaker, or screen is actually working before calls, repairs, driver changes, or buying used hardware.
What you can confirm
- 1Choose the device test that matches the problem you want to confirm.
- 2Follow the on-screen prompts and interact with the device in real time.
- 3Review the feedback, change settings or hardware if needed, and retest.
Start with the symptom you want to check
Use these browser-based tests to confirm dead zones, missed clicks, stuck keys, bad audio channels, camera access, and other device issues.
Touch Test
Check dead zones, swipes, and multi-touch after drops, repairs, or screen protector changes.
Mouse Test
Check clicks, scroll wheel, tracking, and extra buttons to spot lag or misfires.
Keyboard Test
Test every key, modifier, and layout response when a key feels stuck, missing, or wrong.
Screen Test
Check for dead pixels, color issues, and uneven brightness on your display.
Refresh Rate Test
Estimate observed refresh rate, frame time, and frame stability.
Keyboard Ghosting Test
Press several keys at once to check rollover and anti-ghosting for games and shortcuts.
Mouse Double Click Test
Find accidental double-click issues before replacing the mouse.
Screen DPI Test
Review pixel ratio, estimated DPI, and display resolution for scaling checks.
Webcam Test
Preview the camera, framing, and browser permission before calls or recordings.
Microphone Test
Check mic levels, mute state, and browser permission before meetings.
Audio Test
Check left, right, and stereo speaker or headphone output.
Left/Right Audio Test
Confirm left and right channels separately when audio sounds unbalanced.
Gamepad Test
Check buttons, sticks, triggers, vibration, and raw input on supported controllers.
System Info
Review OS, memory, CPU cores, and display details before troubleshooting.
Browser Info
See browser version, features, and limits that can affect device tests.
Built for real troubleshooting
Useful after spills, drops, repairs, browser updates, accessory changes, and before buying used gear.
Privacy first
Tests run locally in the browser. We do not store keystrokes, touch input, audio, or video.
Actionable feedback
See which key, click, touch point, channel, or permission is failing before guessing at the cause.
Easy to retest
Run a check, change the cable, setting, browser, or device, and verify the difference immediately.