YouTube Default Speed by DJS
Automatically adjust YouTube video playback speed with smart music detection.
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Extension Metadata
About this extension
YouTube Default Speed Controller
A Firefox extension that automatically sets video playback speed on YouTube with intelligent music video detection.
Features
The extension only works on youtube
This extension is provided as-is for personal use
A Firefox extension that automatically sets video playback speed on YouTube with intelligent music video detection.
Features
- Automatic Speed Control: Set your preferred playback speed (default 1.25x)
- Music Detection: Automatically sets speed to 1.0x for music videos
- Customizable Keywords: Define your own music keywords with wildcard support
- Advanced Detection: Optional "Artist - Title" pattern detection
- Channel Whitelist: Exclude specific channels from speed changes
- Preload Option: Optionally preload videos for smoother playback
- Import/Export: Save and load your keywords and whitelist
The extension only works on youtube
This extension is provided as-is for personal use
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Permissions and data
Required permissions:
- Access your data for sites in the youtube.com domain
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 1.6.1
- Size
- 34.4 KB
- Last updated
- 4 days ago (Jun 22, 2026)
- Related Categories
- License
- MIT License
- Version History
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