Preview and render a new pace
Audio speed changer
Play audio from quarter-speed to four-times speed and export a real duration-adjusted copy.
Runs locallyYour content stays in this tab
Drop an audio file here
One audio file up to 1 GB. Export uses tape-style resampling, so pitch changes with speed.
Export uses tape-style speed: duration and pitch both change. Pitch preservation applies only to the preview player.
Audio is processed locally and is not uploaded.
Three simple steps
How to use audio speed changer
- 1
Add an audio file and choose a speed or preset.
- 2
Preview with optional pitch preservation in the player.
- 3
Export a duration-adjusted WAV or MP3 and download it.