[jpeisen]

TIL searching Google for "Google tuner" actually provides a tuner in your browser:

Not sure if this requires Chrome/Android, but it might..

 

[2HK Member]

There's no OS requirement - just a device connected to the internet with a web browser and permission for the browser and Google to access your microphone.

 

[mmichel]

TIL searching Google for "Google tuner" actually provides a tuner in your browser:

Thanks! I knew about (and have used) Google's metronome, but I didn't know about this.