Change the speed of an audio file
Listen faster to a lecture or long recording, or slow a song down to practice it.
Your files are processed directly in your browser. They are never uploaded to a server.
How to change the speed of an audio file
- 1
Add your audio.
- 2
Choose the speed (for example 1.5×).
- 3
Press “Change speed” and download the result.
About this tool
With “Keep pitch” voices sound natural even at a different speed. Without it, audio speeds up like a record (higher or lower pitch).
Audio is processed in your browser: it's never uploaded to a server.
Frequently asked questions
Is there a quality difference?
Between 0.75× and 1.5× it's barely noticeable. At extreme speeds small artifacts may be heard.