Video Speed Controller Plus

Keyboard shortcuts for HTML5 video/audio speed, plus customizable controller styling, themes, and locales (en, ja, zh_CN).

Video Speed Controller Plus is a fork of the popular Video Speed Controller. It keeps the familiar keyboard-driven workflow for HTML5 video and audio while adding richer customization and localization. Core features • Change playback speed with keyboard shortcuts (S/D to slow down / speed up, R to reset, and more) • Optional on-screen controller overlay on HTML5 video and audio • Frame stepping and time seek shortcuts (customizable in Options) • Remember playback speed across videos (optional) • Exclusive keyboard shortcuts option to reduce conflicts with site hotkeys Plus extras • Customize controller colors, opacity, border, button size, and variable-font weight/width • Live preview in Options → Advanced → Appearance • Popup and full options page with light/dark/system theme and accent color • English, Japanese, and Simplified Chinese UI Works on most sites that use standard HTML5 <video> and <audio> elements. Google Meet and Hangouts are excluded by default. Open source: https://github.com/Blackphi6/video-speed-controller-plus WHAT'S NEW (version 0.10.4) • Improved controller appearance preview (font weight/width and colors update smoothly) • YouTube: controller stays visible when YouTube hides its own controls (manual hide still works) • New default controller look (warm panel, amber border, 74% opacity, 21px buttons, weight 500) • Click font weight/width labels in Options to type exact values • Locale and default-setting updates for appearance controls