Adjust sound volume with the Online Movie Maker and Video Editor is very simple and takes not a long time. You can do it for free and without registration. Not necessary to download and install any software or application.
How to increase or decrease volume
You can change the volume for each layer containing music or video files with an audio track or a separate file.
The volume level adjusted for a separate file overrides the volume value set for the layer.
Click the editor button to increase or decrease sound volume of a separate music or video file.
Set the video format to "Auto" to maintain the original quality when adjusting the volume level of one or more files of the same format.
