Yes. Volume Booster is completely free with no account, no sign-up and no usage limits beyond fair-use rate limiting.

This tool processes files locally in your browser. Your files are not uploaded to our server during processing.

Is there a file size limit?

Browser-based tools are limited mainly by your device memory and browser capabilities.

Volume Booster

Increase loudness safely with EBU R128 loudness normalisation or fixed gain.

Processed locallyRuns in your browserNo account required

Browser-based processing: Your files are processed locally in your browser and are not uploaded during processing.

: Yes. Volume Booster is completely free with no account, no sign-up and no usage limits beyond fair-use rate limiting.
: This tool processes files locally in your browser. Your files are not uploaded to our server during processing.
: Browser-based tools are limited mainly by your device memory and browser capabilities.