videoVolume 作者： pedropalhari
实验性实验性
Global Volume controller for <videos>. This add-on is a global volume that removes the "muted" state of all the videos shown and apply the volume specified on the popup to them.
您需要 Firefox 来使用此扩展
videoVolume
实验性实验性
扩展元数据
pedropalhari 制作的更多扩展
