Change Audio Speed
Make audio faster or slower. Voices stay natural, or switch off pitch keeping for a sped-up or slowed effect.
- 100% in your browser
- No upload
- No sign-up needed
- No watermark
How to change the speed of audio
- Add your audio
Drop an MP3, WAV, M4A or other audio file on the box above. - Pick a speed
From 0.25× to 4×. Keep the voice natural, or turn that off for a nightcore or slowed sound. - Save and download
Download the new MP3 when it is ready.
Features
- No uploadProcessing happens on your device with WebCodecs, so even large files stay private.
- No sign-up needed, no watermarkUse every tool as often as you like. Your output is clean.
- Hardware acceleratedUses your device’s video encoder when available, so most jobs finish in seconds.
- Works on phone and desktopRuns in Chrome, Edge, Safari and Firefox on iPhone, Android, Windows and Mac.
Frequently asked questions
Are my files uploaded?
No. The file is read and processed by your browser. It never leaves your device.
Is it free?
Yes. There is no file limit and no watermark, and you don’t need an account.