Online Violin Tuner

Tune all four strings of your violin with your device's microphone: the tuner detects the note and tells you whether you're flat, sharp or in tune.

Your files never leave your device. Everything is processed in your browser.

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Tap «Turn on the microphone» to start

Turn on the microphone, play an open string and wait for the needle to settle in the center. Hold the instrument close to the microphone and avoid background noise.

How to tune your violin

  1. The Violin instrument is already selected: tap «Turn on the microphone» and accept the permission.
  2. Play an open string and let it ring.
  3. Watch the needle: on the left you need to tune up, on the right you need to tune down.
  4. When «In tune!» appears, move on to the next string.

Violin tuning

The violin is tuned in fifths: G, D, A, E (G3 D4 A4 E5). The A string is usually tuned first to 440 Hz and the others are adjusted from it.

The sound is analyzed on your device and is never recorded or sent.

Good to know

Frequently asked questions

How do you tune a violin?

G, D, A, E, in fifths (G3 D4 A4 E5).

Which string do I start with?

Usually with the A at 440 Hz, and then the others in fifths.

Is what I play recorded?

No, the sound is analyzed instantly and isn't saved.