---
title: "Free Audio Volume Booster — Increase Volume Online | Murmur"
description: "Increase or reduce audio volume free in your browser. Local processing keeps the source audio on your device."
canonical: "https://www.murmurtts.com/tools/volume-booster"
---
[Murmur](https://www.murmurtts.com/)/[Free audio tools](https://www.murmurtts.com/tools)/Audio Volume Booster

# Audio Volume Booster

Make quiet audio louder or turn the volume down.

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.

Which audio formats work?

Try MP3, WAV, or M4A. Other common audio formats are supported too.

## Keep working on your audio

[**Trim audio**](https://www.murmurtts.com/tools/audio-trimmer)[**Change speed**](https://www.murmurtts.com/tools/audio-speed-changer)[**Merge audio**](https://www.murmurtts.com/tools/audio-merger)[**Normalize audio**](https://www.murmurtts.com/tools/audio-normalizer)