Free · Count the smallest steps

Semitone Pitch Step Explorer for Kids

Move a sound one, three, or five keyboard steps and see its exact pitch factor.

  • Clear, kid-friendly steps
  • Private in your browser
  • No signup
Real AudioWorklet pitch shifting

Semitone pitch step explorer

Count small music steps and watch each step become a pitch factor.

+1 semitones1.059× pitch factor
1Local soundcompare pattern
2Phaze workletFFT + peak shift + phase fix
3Changed pitchsame demo length
OriginalChanged
0.0 s01.000×
1.7 s01.000×
1.8 s+11.059×
3.5 s+11.059×

The smallest common keyboard step.

Listen for this:Twelve equal semitone steps make one octave.

Shape the pitch

Save the pitch idea

Keep a readable guide, spreadsheet timeline, or editable project.

Powered by Phaze phase vocoder AudioWorklet, an open-source library available under The Unlicense.

Three simple steps

How to use it

  1. Pick a ready pitch, then press Play demo sound. Nothing plays on load.
  2. Move the pitch step slider and listen for the change.
  3. Save a pitch guide, timeline sheet, or project you can reopen.

Private by default

Your words and choices stay in this browser tab. There are no accounts, uploads, ads, or trackers inside the tool. Close the tab and the working data is gone.