Free · Lift a voice one octave

Chipmunk Voice Transformer for Kids

Raise a local demo or optional live voice into a bright chipmunk character.

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

Chipmunk voice transformer

Lift every sound peak to make a tiny, quick character voice.

+12 semitones2.000× pitch factor
1Local soundvoice pattern
2Phaze workletFFT + peak shift + phase fix
3Changed pitchsame demo length
OriginalChanged
0.0 s+122.000×
3.5 s+122.000×

A bright voice one octave higher.

Listen for this:Higher pitch means the sound waves repeat more times each second.

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.