Metronome & Instrument Tuner

A precise metronome plus a chromatic tuner that reads your mic and shows the note + cents — locally.

A precise metronome plus a chromatic tuner that reads your mic and shows the note + cents — locally. Free and 100% private — runs entirely in your browser, nothing is ever uploaded.

About Metronome & Instrument Tuner

Metronome & Instrument Tuner is a free, browser-based tool for creators that lets you a precise metronome plus a chromatic tuner that reads your mic and shows the note + cents — locally. Because it runs entirely on your device, there’s nothing to install, no account to create, and your data is never uploaded to a server.

How to use Metronome & Instrument Tuner

  1. Open Metronome & Instrument Tuner — it loads in any modern browser, with no sign-up.
  2. Allow microphone access (or load your audio) to begin.
  3. Get the result instantly, processed locally on your device.
  4. Copy or download the output — what you entered is never sent anywhere.

Frequently asked questions

Is Metronome & Instrument Tuner free?
Yes — Metronome & Instrument Tuner is completely free, with no account, sign-up or usage limits.
Is my data private?
Yes. Metronome & Instrument Tuner runs 100% in your browser, so your files and text are processed on your own device and never uploaded.
Do I need to install anything?
No — Metronome & Instrument Tuner works in any modern desktop or mobile browser with nothing to download.