Tempo Changer

Change audio tempo from 50% to 200% – slow or fast

Drag & drop an audio file or click to browse

How to change tempo:

  1. Upload any audio file (MP3, WAV, M4A, etc.)
  2. Set tempo from 50% (half speed) to 200% (double speed)
  3. Preview, then export the MP3

Pitch changes with tempo. All processing is local in your browser.