Audio

Audio Volume Changer Online Free

Increase or decrease audio volume online from 0% to 300%, preview the edited audio, then download the result as a WAV file — all in your browser.

Click to upload or drag and drop an audio file here (MP3, WAV, OGG, M4A)

How to change audio volume online

Upload an MP3, WAV, OGG, M4A or another browser-supported audio file.
Choose a preset or move the volume slider from 0% to 300%.
Click Apply volume change, preview the edited audio, then download the WAV result.

Increase audio volume online

Choose 150% or 200% for a quick boost, or use the slider for a custom level up to 300%. The tool limits peaks to reduce harsh digital clipping, although very large boosts can still make already-loud audio sound compressed.

Decrease audio volume online

Use 75%, 50% or 25% to lower loud audio, or select any custom value down to 0%. You can preview the result before downloading, so it is easy to adjust the level again if needed.

Set MP3 or audio to 50%, 150% or 200% volume

Use the percentage control to make an audio track quieter or louder. For example, 50% reduces the level, 150% boosts it by half, and 200% doubles the amplitude before export. Preview the edited audio first to avoid clipping or distortion.

Features

Presets from 25% to 200%, plus a custom slider up to 300%
Automatic peak limiting to reduce harsh clipping when boosting volume
Preview before downloading
Runs entirely in your browser via the Web Audio API

Frequently asked questions

Digitally amplifying audio can cause clipping (distortion) if the loudest parts exceed the maximum level. This tool caps each sample at the maximum to avoid harsh digital clipping, but very large boosts on already-loud audio will still sound compressed — keep boosts modest for the cleanest result.

Browsers can decode many formats but don't include a built-in MP3 encoder, so the adjusted audio is saved as WAV — uncompressed and universally playable.

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Avoiding clipping when changing volume

Increasing volume multiplies the signal; it does not recreate detail that is missing from a quiet recording. Large boosts can push peaks past the available headroom and create distortion, so compare the result at normal listening volume before using it in a project.

Start with a moderate gain change and listen to loud sections first.
If the source already distorts, lowering or raising volume will not repair the clipping.
For consistent loudness across many tracks, a dedicated loudness-normalization workflow is more suitable.