Video Speed Control
Control the playback speed of any HTML5 video on any website. Choose from presets or set a custom speed. Works on YouTube, Vimeo, and all HTML5 players.
扫码在 Android 版 Firefox 中打开此扩展
Control the playback speed of any HTML5 video on any website. Choose from presets or set a custom speed. Works on YouTube, Vimeo, and all HTML5 players.