Free Change volume

Make audio or a video louder or quieter, without crackle. Runs on your device, nothing is uploaded.

How to use Change volume

1. 01Drop your audio files onto the upload area, or paste from the clipboard.
2. 02Adjust the options to suit what you need.
3. 03Choose the output format under Save as.
4. 04Click Change and check the result.
5. 05Download each file, or click Download all to get them as a zip.