Increase video volume
Make a quiet recording loud enough to hear.
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. Pick how much louder (2× is a good start), then drop the video. The first time, the video engine loads once (about 31 MB, then cached by your browser).
- Download. Press Download. Nothing was uploaded, so nothing is stored anywhere.
What it does
Only the sound is changed; the picture is copied as it is, so quality and length stay the same.
When to use it
Quiet phone recordings, lectures, interviews and clips that are hard to hear on a phone speaker.
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 video 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 a modern browser. Phones are slower than computers for video, and very long or 4K clips can run out of memory on older phones.