Device tests

Check your mic, camera, speakers, keyboard, and screen before the call.

• Microphone TestSee your mic level and waveform live, pick the right input, and record 5 seconds to hear yourself.
• Webcam TestCheck your camera picture, resolution, and frame rate in the browser. Flip the mirror, save a snapshot.
• Speaker & Headphone TestPlay a tone in the left, right, or both channels and a 40 Hz to 16 kHz sweep to find a dead side or crackle.
• Keyboard TesterPress every key and see it light up. Finds dead and stuck keys and shows key codes.
• Dead Pixel TestFull-screen white, black, red, green, blue, and grey to spot dead or stuck pixels and backlight bleed.