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Preview of Themeinator

Themeinator by Coding Otaku

A customizable Firefox theme that automatically adapts your system's light/dark mode

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About this extension
Features
  • Automatic Theme Switching: Seamlessly switches between light and dark themes based on your system preferences
  • Manual Override: Choose to always use light mode, dark mode, or auto mode
  • Website Theme Control: Websites with dark mode (using prefers-color-scheme media queries) will respect your extension's theme choice
  • Custom New Tab Page: Beautiful custom new tab page with clock, greeting, and custom backgrounds for light/dark modes
  • Fully Customizable: Customize every color in both light and dark themes
  • Real-time Updates: Theme changes apply instantly when you switch between light/dark mode
  • Simple Interface: Easy-to-use popup and settings page
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Permissions and data

Required permissions:

  • Read and modify browser settings
  • Access your data for all websites

Optional permissions:

  • Access your data for all websites

Data collection:

  • The developer says this extension doesn't require data collection.
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More information
Version
1.0.2
Size
43.16 KB
Last updated
a month ago (Nov 10, 2025)
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