About HearMyMic

HearMyMic is a free tool for one job: checking that your microphone works and hearing how you sound, before a call, a stream or a recording.

How it works

When you press “Test my mic”, your browser asks for permission to use your microphone. Once you allow it, the page reads the audio signal directly on your device and draws the level meter and waveform you see on screen. Recording and playback, live monitoring and the camera preview all work the same way: inside your browser tab.

There is no server receiving your audio or video, no account, and no app to install. When you close the page, the microphone turns off and any recording is gone.

What it can and can’t tell you

The test is a practical check. It tells you whether a microphone is connected and allowed, which device your browser is using, how strong your signal is, and how you sound on a short recording.

It isn’t a calibrated measuring instrument. Levels, settings and latency are based on what your browser reports, and browsers process audio before a web page sees it. Apps such as Zoom, Teams and Discord then add processing of their own. Treat the results as a good guide, not as exact figures.

Cost and privacy

HearMyMic is free to use, with no account and no sign-up. See theprivacy policy for how your data is handled.

Get in touch

Found a problem, or a device the test doesn’t handle well? We’d like to hear about it. Details are on thecontact page.