Preferred 1 Hole
Blow Draw Slide in Slide out
Hear · center · sustain
Chromatic harmonica tuner & pitch trainer
See whether one note is flat, centered, sharp, or unstable—then connect that pitch reading to the exact hole, breath direction, slide position, and next exercise.
Target
Choose one note
Use a comfortable note first. A centered, stable tone is more useful than a loud one.
🔒 Audio stays in this browser. Whisflo does not upload or store microphone recordings.
C4Target 261.6 Hz
−50−250+25+50
Offset—
Stability—
TargetC4
Waiting for a sustained note
Method
Use the tuner as a breath-control drill
Choose a target note
Select the note you want to center, then check its hole, breath direction, and slide position.
Allow microphone access
Start live pitch detection and play one relaxed note for at least two seconds.
Correct slowly
Use the cents needle and stability score to reduce drift without squeezing or forcing the air.
FAQ
Chromatic harmonica tuning questions
Can you tune a chromatic harmonica?
Individual reeds are normally tuned during maintenance, but a browser tuner is useful for checking pitch center, breath pressure, embouchure, and whether a reed sounds unusually flat or sharp.
How many cents is in tune?
Within about ±10 cents is a practical centered target for focused practice. A sustained, stable note matters more than a needle that briefly crosses zero.
Why does my chromatic harmonica note sound flat?
Excessive breath pressure, a tight embouchure, condensation, reed condition, or normal instrument temperament can shift the detected pitch. Compare several gentle attempts before diagnosing the instrument.
Apply it