12NOTEZ · Free Tool
Tune your violin with your mic — Standard — G D A E (perfect fifths). Free, accurate, private.
Your audio never leaves your device — detection runs entirely in your browser.
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The violin is tuned in perfect fifths: G D A E from the thickest string to the thinnest. Tune the A string to 440 Hz first, then set the others by ear or with the needle.
G3D4A4E5
| Tuning | Notes |
|---|---|
| Scordatura | Various — composers occasionally retune a string for special effects |
Switch the instrument selector above to chromatic mode to tune to any of these notes by ear.
Standard violin tuning is Standard — G D A E (perfect fifths) — strings G3, D4, A4, E5 from lowest to highest.
Allow mic access and bow or pluck the A string — match it to A4 (440 Hz). Tune D4 below it, then G3, then the high E5. Match each string to the needle until it reads in-tune (green).
From low to high, the strings are G3, D4, A4, E5.
Yes — this tuner uses your device microphone with cents-precise pitch detection, runs entirely in your browser, and your audio never leaves your device.
Prefer to set tempo instead? Try the free online metronome, or find any song's key in our database.