Test My Phone is a comprehensive, free online device diagnostics platform designed to help you verify every major hardware component of your smartphone, tablet, or computer. Whether you're troubleshooting a malfunctioning microphone before an important video call, checking your webcam's image quality, or testing your touchscreen's responsiveness, our browser-based tools provide instant, accurate results without any software installation.
All diagnostic tests run entirely within your web browser using modern web APIs including the MediaDevices API for camera and microphone access, Web Audio API for speaker testing, Canvas API for visual tests, and Device Orientation API for motion sensor verification. This client-side approach means your audio, video, and sensor data never leaves your device — ensuring complete privacy and security.
Our one-click full diagnostic suite walks you through 10 essential hardware tests in sequence, generating a comprehensive report card with a letter grade and downloadable certificate. Each test can also be run individually for quick, targeted checks. Compatible with Chrome, Firefox, Safari, and Edge on Android, iOS, Windows, macOS, and Linux.