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Online Microphone Test

Test your microphone right in the browser. See real-time audio level, waveform visualization, and device information.

Click the button to test your microphone
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About Online Microphone Test

This tool uses the Web Audio API to access your microphone and measure the input level in real time. No audio is recorded or sent anywhere — everything stays in your browser.

How It Works

Click "Start Test" and allow microphone access when prompted. Speak or make noise to see the level meter and waveform react. The tool also shows your detected microphone device name and sample rate.