---
title: "Free Audio Speed Changer — Speed Up or Slow Down Audio | Murmur"
description: "Change audio playback speed free in your browser, then export the result as WAV. Your source file never leaves your device."
canonical: "https://www.murmurtts.com/tools/audio-speed-changer"
---
[Murmur](https://www.murmurtts.com/)/[Free audio tools](https://www.murmurtts.com/tools)/Audio Speed Changer

# Audio Speed Changer

Slow down or speed up an audio clip and download the result.

Choose another file to continue.

![](https://www.murmurtts.com/murmur-icon.webp)

**Murmur Your voice studio for Mac**

Turn scripts into speech, clone voices, and create audio locally on your Mac.

[Explore Murmur](https://www.murmurtts.com/#product)

## Common questions

Does Murmur upload my audio?

No. Your audio stays on your device.

Do I need an account?

No. Choose a file and get started.

Does changing speed preserve pitch?

Changing speed also changes pitch: slower sounds lower, and faster sounds higher.

## Keep working on your audio

[**Trim audio**](https://www.murmurtts.com/tools/audio-trimmer)[**Boost volume**](https://www.murmurtts.com/tools/volume-booster)[**Merge audio**](https://www.murmurtts.com/tools/audio-merger)[**Normalize audio**](https://www.murmurtts.com/tools/audio-normalizer)