100% keeps the level unchanged; 200% roughly doubles it.

Adjust Audio Volume

Make an audio file louder or quieter.

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About Adjust Audio Volume

Change the loudness of an audio file by a percentage. Processed on your device.

Open the Adjust Audio Volume tool and add your file — it's processed in your browser, never uploaded.
Adjust the available options to get the result you want.
Download the result. There's no sign-up, no watermark, and no size cap.

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