Test your mic, camera, keyboard and screen.
Free browser tools to test your microphone, webcam, keyboard and display, tune an instrument and keep time. Nothing is uploaded.
- Mic TestCheck that your microphone works, read its level in dBFS and hear a 5 second recording.
- Webcam TestPreview your camera, check its real resolution and frame rate, and save a snapshot.
- Keyboard TestPress every key to see it light up, read its key code and check for dead keys or ghosting.
- Dead Pixel TestFill the screen with solid colors to find dead, stuck and hot pixels.
- TunerTune any instrument with your microphone, with presets for guitar, bass and ukulele.
- MetronomeKeep steady time from 20 to 300 BPM with accents, subdivisions and tap tempo.