mtools.lol

Audio Speed Changer

Speed audio up or slow it down, keeping the pitch or not.

How it works

  1. 1Upload your audio.
  2. 2Choose the speed and whether the pitch should change.
  3. 3Download the result.

Features

  • 0.5× to 3×.
  • Keep the pitch (voices sound natural) or change it (like a tape).
  • Good for podcasts, lessons and practice tracks.
  • Files deleted after.

Frequently asked questions

What does keeping the pitch mean?

Speed changes but voices don't sound higher or lower. Turn it off for a record-player effect.

Can I change pitch without speed?

Use the Audio Pitch Changer.

Is there a file size limit?

Files up to 100 MB.