![YouStopper for YouTube™ のプレビュー](https://addons.mozilla.org/user-media/addon_icons/938/938189-64.png?modified=1518970823)
YouStopper for YouTube™ 作成者: YouStopper Developer
Prevents YouTube™ videos from starting to play automatically when you open them.
Doesn't affect ads so it's better to use together with an Ad-Blocking extension like uBlock Origin.
Doesn't stop autoplaying in playlists.
この拡張機能を使用するには Firefox が必要です