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Preview of vsc-plus

vsc-plus by Blackphi6

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

Available on Firefox for Android™Available on Firefox for Android™
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About this extension
Video Speed Controller Plus controls HTML5 video and audio playback speed with keyboard shortcuts and an optional on-screen controller. It is a fork of Video Speed Controller with extra customization and localization.

Core features
- Speed up, slow down, rewind, and advance with customizable shortcuts
- On-screen controller overlay for HTML5 video and audio
- Frame stepping and time seek shortcuts
- Optional playback-speed memory and per-site rules
- English, Japanese, and Simplified Chinese UI

Plus extras
- Customize controller colors, opacity, border, button size, and font weight/width
- Live appearance preview in Options
- Light, dark, and system UI themes with accent colors

Works on most sites using standard HTML5 media. Google Meet and Hangouts are excluded by default.

Open source: https://github.com/Blackphi6/video-speed-controller-plus
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Permissions and data

Required permissions:

  • Access your data for all websites

Data collection:

  • The developer says this extension doesn't require data collection.
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Version
0.10.4
Size
142.41 KB
Last updated
10 days ago (Jun 6, 2026)
Related Categories
  • Photos, Music & Videos
License
MIT License
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