How to use this microphone test
- 1
Press Start Microphone Test and allow access.
- 2
Speak normally and watch the waveform and level meter.
- 3
Make a short local recording and play it back.
- 4
Stop the test when finished to release the microphone.
Check whether your microphone is detected and receiving sound. Audio is processed locally and permission is requested only when you start.
See live activity and make a short recording without uploading audio.
Press Start Microphone Test and allow access.
Speak normally and watch the waveform and level meter.
Make a short local recording and play it back.
Stop the test when finished to release the microphone.
Most readings come directly from browser APIs and stay on your device. Operating systems, browser permissions, scaling, drivers, and hardware can affect what a page can observe.
For the cleanest result, use an up-to-date browser, keep the tab visible, and close apps that may already be using the device.
No. This test runs locally in your browser. RatedTechTools does not receive or store the device data shown by the tool.
No. It is a relative digital signal level, useful for comparing silence, normal speech, and clipping—not acoustic dB SPL.
The built-in test stops automatically after 20 seconds to keep the tool lightweight and local.