Question 1

How much can I boost the volume?

Accepted Answer

The range goes from −50% to +200% of the original volume, which covers most use cases.

Question 2

Does boosting a lot cause distortion?

Accepted Answer

Boosting the volume heavily can cause distortion (clipping) if the original signal was already close to maximum.

Question 3

Can I reduce the volume instead?

Accepted Answer

Yes, the slider supports both increasing and decreasing the volume.

Question 4

Is processing done on a server?

Accepted Answer

No, the volume change is applied locally in the browser using an FFmpeg audio filter.

Question 5

Does it change the audio's duration?

Accepted Answer

No, the duration and format stay unchanged — only the volume is affected.

Audio Volume Booster

How to use it