Audio Pitch Shifter

Change pitch in semitones and cents, preserve tempo or use speed-only mode, and export in batch - all processed locally in your browser.

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This online pitch shifter runs in your browser with no upload.

Why Use a Pitch Shifter?

Change key, create effects, preserve tempo, or adjust playback speed.

Uses for pitch shifting

  • Music & vocals: Change key and create harmonies.
  • Content: Match pitch between recordings.
  • Creative: Create chipmunk/deep voice effects.

How the Pitch Shifter Works

Set semitones/cents, choose tempo/speed behavior, then process and export.

What this tool offers

  • Semitone and cent pitch control
  • Tempo preserve and speed-only mode
  • Advanced filters and gain
  • Batch processing and ZIP download

Tips and best practices

  • Use presets: Start with presets then fine-tune with cents.
  • Preserve tempo: Keep duration unchanged for most voice/music edits.
  • Moderate shifts: Smaller shifts usually sound cleaner.

Powered by Web Audio API and optimized processing.

Frequently Asked Questions

What is a pitch shifter?

A pitch shifter changes perceived pitch up or down.

Can I preserve tempo?

Yes, preserve tempo keeps duration while shifting pitch.

What is speed-only mode?

Speed-only changes playback speed without changing pitch.

Is processing private?

Yes, files are processed locally in your browser.

Audio Pitch Shifter - Change Key in Semitones, Preserve Tempo