Decrease mp4 volume

Download and install the latest version of Filestar.
Right click on one or more Mp4 file(s) on your desktop and select Convert with Filestar.
Type decrease volume in the search box.
Press Run.

What is .mp4?

Name: MPEG-4 Video
Extension: .mp4
Format: Binary
Category: Video
Developer: Moving Picture Experts Group
Description: An MP4 file is a multimedia file commonly used to store a movie or video clip, but may also contain subtitles or images. MP4 is short for MPEG-4 Part 14, which is a container format based on the QuickTime File Format (QTFF) used by .MOV and .QT files.
MIME Type: video/mp4
Sample: sample.mp4
Wikipedia: .mp4 on Wikipedia

Last updated October 4, 2026