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Complete USB Keyboard and Mouse diagnostic tool with detailed testing reports.
The essential diagnostic tool for every USB peripheral! USB Keyboard Tester is a powerful and easy-to-use application designed to help you verify the functionality of external input devices on your Android smartphone or tablet. Whether you are troubleshooting a mechanical keyboard, checking a new mouse, or testing OTG compatibility, this app provides the precise feedback you need. Why use USB Keyboard Tester? • Comprehensive Key Mapping: Test every single key on your external keyboard. From standard Alphanumerics to Function keys (F1-F12), Modifiers (Ctrl, Alt, Shift), and System keys (Esc, Tab, Home). • Integrated Mouse Diagnostics: Although named Keyboard Tester, it includes a full suite to test Mouse clicks (Left, Right, Middle), Scroll Wheel movement, and tracking accuracy. • OTG & Hardware Verification: Instantly detect if your Android device supports USB Host mode and if your hardware is being recognized correctly by the system. • Save & Export Reports: Encountering a "ghosting" issue or a dead key? Generate a detailed text-based diagnostic report and save it to your device to share with manufacturers or support teams. • Clean & Responsive UI: Designed with Material Design 3 for a modern look that adapts to your system's Light or Dark theme. Simple to use: 1. Connect your keyboard or mouse via an OTG (On-The-Go) cable/adapter. 2. Open the app and begin typing or clicking. 3. Watch the real-time visualizer highlight every successful input. 4. Save your results for future reference. Disclaimer: Requires USB Host (OTG) support on your Android device. This app is designed for hardware testing; some system-level keys (like the Home button or Power button) may be intercepted by the Android OS before reaching the app.