Online Tuner Start tuning

Pitch Pipe

This online pitch pipe plays reference notes to tune by ear or give a choir its starting note. Choose chromatic (C4 to C5) or the open strings of a guitar, ukulele, violin or bass, then tap a note.

Tap a note to hear it for 2.5 seconds. No sound on an iPhone? Turn off silent mode. Want to check your instrument? Use the online tuner.

What it does
Plays reference notes: chromatic C4–C5 and the open strings of guitar, ukulele, violin and bass
What it does not do
Use the microphone · check your instrument (use the online tuner)
Reference pitch
A4 = 440 Hz, adjustable 415–466 Hz
Sound
Generated in your browser with the Web Audio API
Made by
The Appcellent team
Updated
November 2026

Pitch pipe or tuner?

A pitch pipe trains your ear: you listen and match. A tuner measures for you and shows the exact difference in cents. For the quickest, most precise tuning, use the online tuner; for choir starts and ear training, use the pitch pipe.

Questions

What is a pitch pipe?
A small instrument with reeds that plays reference notes. Choirs use it to give the starting pitch, and guitarists and ukulele players use it to tune by ear.
How do I tune a guitar with a pitch pipe?
Choose Guitar, play a string’s note, then pluck the same string and turn the peg until the two sound the same with no beating. Repeat for every string.
What pitch are the notes?
Concert pitch with A4 = 440 Hz. The chromatic set covers one octave from middle C (C4) to C5.