Violin Tuner – Free Online Violin Tuner With Microphone

Microphone tuner
−50+50
–0 ¢– HzPlay a note

Ready

Reference tonesTune by ear

Play each target note through your speakers.

Good to knowTips
  • Quiet room, one string at a time
  • Tune up to the note
  • ±5 cents counts as in tune
PrivateStays on device
  • Runs inside your browser
  • No upload, no account
  • Nothing saved after you close

Online violin tuner with microphone

Allow microphone access, play one string at a time and follow the needle until it centres. Tune G3, D4, A4 and E5 in fifths.

Violin string notes

G3 196 Hz, D4 293.66 Hz, A4 440 Hz, E5 659.25 Hz.

Fine tuners and pegs

Use fine tuners for small changes; pegs for large ones, pressing inward so they hold.

Tuning with a microphone tuner

The tuner detects pitch from the waveform’s repeating period, shows the nearest target string and how many cents away you are.

How to test

How to Use the
Violin Tuner

  1. 01

    Quiet

    reduce background noise.

  2. 02

    Allow

    press Start Tuner and allow the microphone.

  3. 03

    Pluck

    play one string and let it ring.

  4. 04

    Adjust

    tighten if the needle is left (flat), loosen if right (sharp) until centred.

Violin string notes

G3 196 Hz, D4 293.66 Hz, A4 440 Hz, E5 659.25 Hz. Tune the A first, then the others in fifths.

Fine tuners and pegs

Use fine tuners for small changes; pegs for large ones, pressing inward so they hold.

Tuning with a microphone tuner

The tuner detects pitch from the waveform’s repeating period, shows the nearest target string and how many cents away you are. ±5 cents counts as in tune.

Troubleshooting the tuner

Mic allowed but nothing happens

Choose the correct input in your OS, move closer, and play louder single notes.

Other instruments

See all tuners on the tuners page.

Related guides and fixes

Learn more in these guides: How to tune a guitar, What note am I singing, Microphone not working.

Why use a tuner

Tuner versus tuning by ear

A tuner is faster and accurate for beginners; tuning fifths by ear trains your hearing.

Frequently Asked Questions

Q.Why does the needle jump?

Pluck one string at a time and mute others.

Q.Do I need a clip-on tuner?

No, a mic works in a quiet room.

Q.What is a cent?

One hundredth of a semitone.

Q.What should I do if the pegs keep slipping?

Push the peg gently inward while turning so it seats, and apply peg compound if it still slips. Use fine tuners for small adjustments.

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