Free · Move pitch up or down

Voice Pitch Playground for Kids

Slide from low to high pitch while the local demo keeps the same length.

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

Voice pitch playground

Move pitch up or down and hear the change without changing demo length.

0 semitones1.000× pitch factor
1Local soundvoice pattern
2Phaze workletFFT + peak shift + phase fix
3Changed pitchsame demo length
OriginalChanged
0.0 s01.000×
3.5 s01.000×

Start with no pitch change.

Listen for this:Zero steps is the original pitch. Positive steps go up; negative steps go down.

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.