Audio Normalizer

Even out your audio loudness.

Drop an MP3, M4A, WAV, OGG or FLAC and bring it to a consistent level — match loudness or maximize the peak. Everything runs in your browser; nothing is uploaded.

Drop your audio here
or click to choose a file · MP3, M4A, WAV, OGG, FLAC · stays on your device
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Analyzing…
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Measures your audio and applies a single clean gain — loudness mode is peak-guarded so it never clips. Processed locally; nothing is uploaded.

How to normalize audio loudness

  1. Drop your file in. Choose or drag an MP3, M4A, WAV, OGG or FLAC — it loads in your browser and is never uploaded.
  2. Pick a mode. "Even out" matches a consistent loudness (RMS); "Maximize" raises the loudest peak up to −1 dB. The panel shows your file's current peak and loudness.
  3. Normalize & download. Save the leveled audio as MP3 or WAV.

Frequently asked questions (5)
Is the normalizer free?

Yes — completely free, with no sign-up, no watermarks, and no limit on how many files you process.

Are my files uploaded anywhere?

No. Analysis and processing happen locally in your browser, so your audio never leaves your device.

What's the difference between "Even out" and "Maximize"?

"Even out" targets a consistent perceived loudness (RMS) and is peak-guarded so it won't clip; "Maximize" simply raises the loudest point up to −1 dB.

Which formats can I use?

Whatever your browser can decode natively — MP3 and WAV work everywhere, with M4A, OGG and FLAC available where your browser supports them. The normalized file is saved as MP3 or WAV.

Does it work on my phone?

Yes — it runs in any modern browser on mobile or desktop, including Chrome, Safari, Firefox and Edge.

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