Audio Speed & Pitch Changer

Speed up or slow down any song, lesson or podcast, with the same pitch or a new one. You can also change the key of music by semitones.

  • 100% free
  • No upload
  • Keeps the pitch

Drop an audio file here

or

MP3, WAV, M4A, OGG, FLAC, AAC and video files

Your file is processed on your device and is never uploaded.

How to change audio speed

  1. 1

    Open your file

    Drop an MP3, WAV, M4A or other audio file.

  2. 2

    Set speed and pitch

    Choose a speed from 0.5× to 2× and, if you want, move the pitch up or down.

  3. 3

    Save the result

    Press Change speed, listen to the result and download it.

Why use this speed changer

Keeps the pitch

Voices and music do not sound like chipmunks when you speed them up.

Change the key

Shift the pitch up to 12 semitones up or down, for singing or practice.

Private and secure

Your audio is processed in your browser and never uploaded.

Works everywhere

Use it on Windows, Mac, Android and iPhone with no app.

Speed up or slow down audio online

The AIOCreate Speed Changer lets you play audio faster or slower and save the result. Slow down a song to learn it, speed up a lecture or podcast to save time, or make a sped-up or slowed version of a track.

With Keep the original pitch on, the tool uses time stretching, so the speed changes but voices keep their natural sound. Turn it off for a classic tape-speed effect.

Speed changer FAQ

How do I speed up an MP3?

Open the MP3, set the speed above 1×, press Change speed and download the faster file.

Can I change the speed without changing the pitch?

Yes. Keep the option Keep the original pitch turned on.

How do I change the key of a song?

Move the pitch slider up or down by semitones. 12 semitones is one octave.

Is the speed changer free?

Yes. It is completely free, with no sign-up and no watermark.

Are my files uploaded?

No. The audio is processed inside your browser, on your own device.

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