Make audio louder
Turn up a recording that's too quiet.
How to use it
- Add your file. Drop it on the box above or tap it to pick it from your device.
- Choose and run. Choose how much louder, then drop the file.
- Download. Press Download. Nothing was uploaded, so nothing is stored anywhere.
What it does
Every sample is multiplied by the amount you choose. Too much can clip loud parts; try Normalize audio for a safe automatic level.
When to use it
Quiet phone recordings, soft voice notes and old tracks that sound weak next to new ones.
Private by design
Most online tools upload your file to their servers. This one doesn't: it loads into your browser and does the work on your own phone or computer, so your files never leave it.
Questions
Is this make audio louder free?
Yes, completely free, with no account, no watermark and no daily limit.
Are my files uploaded?
No. Everything happens inside your browser on your own device. Nothing is sent to us or anyone else.
Does it work on iPhone and Android?
Yes, in Safari, Chrome and other modern browsers.