Audio Speed Changer

Speed up or slow down any audio file – 0.25× to 3×

Drag & drop an audio file or click to browse

How to change audio speed:

  1. Upload any audio file (MP3, WAV, M4A, etc.)
  2. Adjust the speed slider (0.25× – 3×) or use presets
  3. Preview the result at the new speed
  4. Click “Change Speed & Export” and download the MP3

Note: Pitch changes with speed (faster = higher pitch). All processing is local.