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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