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Audio Speed & Pitch Changer

Speed sound up or slow it down without the chipmunk effect, or move the pitch up or down in semitones.

How to change the speed or pitch of audio

  1. Choose a sound file.
  2. Set the speed and the pitch. Keep the pitch to speed up speech without it sounding odd.
  3. Listen and download it as MP3, M4A or WAV.

For a video, use change video speed. Making it louder too? Try the volume booster.

Frequently asked questions

Can I change the speed without making voices sound like chipmunks?

Yes. Keep “Keep the pitch” ticked and the sound gets faster or slower at the same pitch.

Can I change the pitch without changing the speed?

Yes. Leave the speed at 1× and move the pitch up or down in semitones, for example to sing along in a different key.

What range does it cover?

Speed from half (0.5×) to double (2×), and pitch up or down 12 semitones, a whole octave.

Is my file uploaded?

No. It is changed in your browser and saved as MP3, M4A or WAV.

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