NNWS Tools

Volume & Normalize

Boost, lower, or normalize loudness.

Runs on your device

Drop an audio file

MP3, WAV, M4A or OGG · never leaves your device

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Audio tools

Trim & MergeVolume & NormalizeVoice RecorderText to SpeechInstrument Tuner

About Volume & Normalize

Volume & Normalize is a free, private audio tool that lets you boost, lower, or normalize loudness. Like every tool on NWS Tools, it runs entirely in your browser — nothing is uploaded, there are no accounts, and there's no tracking. Just open it and go.

Frequently asked questions

Is Volume & Normalize free to use?
Yes. Volume & Normalize is completely free, with no account, sign-up or limits.
Are my files or data uploaded anywhere?
No. Volume & Normalize runs entirely in your browser. Your files, text and numbers are processed on your own device and are never uploaded to a server.
Does Volume & Normalize work offline?
Once the page has loaded, most tools keep working with no internet connection. NWS Tools is a Progressive Web App you can even install.
Do I need to install any software?
No installation is required — Volume & Normalize works instantly in any modern browser on desktop or mobile.