Online tuner

Sing or play a note and see how close you are. The tuner listens through your microphone, names the nearest note, and shows how many cents sharp or flat you are. Switch to sargam names and pick your Sa if you practise Indian music.

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How it works

Press Start and allow the microphone. The page reads the sound in this tab, works out the pitch, and shows the nearest note with a needle from minus 50 to plus 50 cents. Green means within five cents. Nothing is recorded and nothing leaves your device.

Sargam names and your Sa

Choose Sargam and tell the tuner which note is your Sa. It then names what you sing as Sa, Re, Ga, Ma, Pa, Dha, Ni, with komal notes in lowercase and tivra Ma marked. Male voices often take Sa around C sharp or D, female voices around G or A; the Western note stays visible beside it.

Reference pitch

The standard is A4 at 440 Hz. Some ensembles and recordings sit at 432 or 442 Hz; set the reference to match what you play along with. The harmonium and tanpura you practise with decide your Sa, not the tuner.

Tips for a steady reading

Hold one note at a time, close to the microphone, without vibrato at first. Chords, heavy reverb and room noise confuse any tuner. Sustained sounds such as a bowed string, a held vowel or a flute read best; a plucked string reads at the start of the note.

From the label's own toolbox

BeatRootRaga is an independent label that records ghazals, Indian classical and film-song covers. This tuner is the one the label's singers use to check their Sa before a take, put online for anyone.

Learn about sargam and swaras

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Questions people ask

Is the online tuner free and does it record me?

Free, no account. The microphone is read live in this tab to find the pitch; no audio is recorded, stored or sent anywhere.

Why does the tuner ask for the microphone?

It has to hear the note. Your browser asks once; you can revoke the permission any time from the address bar.

Can I tune a guitar, violin or harmonium with it?

Yes. It is chromatic, so it reads any pitched instrument and the voice. Play one string or key at a time.

What does cents mean?

A cent is a hundredth of a semitone. Within five cents most listeners hear the note as in tune; the needle shows the distance to the nearest note.

What Sa should I choose?

The Sa you practise with. Many male singers sit at C sharp or D, many female singers at G or A, but it is your comfortable pitch that counts. Play your Sa on a harmonium and read it on the tuner in Western mode to find the letter.