Open-source browser-based tools for testing keyboards, mice, screens, audio, webcams, and device behavior.
- Keyboard diagnostics: key testing, ghosting, rollover, chatter, and typing checks
- Mouse diagnostics: button, scroll, click speed, DPI, polling, and pointer behavior tests
- Display diagnostics: dead pixels, color, sharpness, ghosting, frame skipping, and refresh checks
- Audio and camera tests: microphone, speaker, webcam, pitch, frequency, and hearing checks
- Utility tools: QR, OCR, calculators, and browser-based diagnostics
KeyboardTester.click is a free hardware testing suite that runs in the browser with no install and no account required.
Source code: keyboardtester-click
We welcome practical, well-scoped contributions that improve real device testing workflows, documentation, accessibility, localization, and browser compatibility.