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Penumbra - Dark & Light Switcher

penumbra-extension.com
5.0(

1 rating

)
ExtensionAccessibility1,000 users
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Overview

Shift any webpage between dark and light appearance with intelligent color analysis.

Penumbra — Dark Mode Done Right 🌑 Stop blinding yourself at night. Penumbra makes every website dark — beautifully, instantly, and automatically. 🌙 One-Click Dark Flip any site to dark mode. Clean, readable, comfortable. ⏰ Auto Scheduling Dark at night, light during the day. Syncs with system preferences or your custom schedule. 🎨 Customize Everything Brightness, contrast, warmth, sepia — your call. Per-site settings included. 📋 Whitelist Skip sites that already look good in dark mode. 🖼️ Media Preserved Images and videos stay in original colors. Only backgrounds adapt. 👁️ Eye Protection Less blue light. Softer contrast. Made for late-night sessions. ⚡ Fast No white flash. No slowdown. Works instantly. Get Penumbra and take the strain off your eyes.

5 out of 51 rating

Learn more about results and reviews.

Details

  • Version
    1.0.2
  • Updated
    March 5, 2026
  • Size
    50.45KiB
  • Languages
    12 languages
  • Developer
    Website
    Email
    juliefoster313@gmail.com
  • Non-trader
    This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

Manage extensions and learn how they're being used in your organization
The developer has disclosed that it will not collect or use your data. To learn more, see the developer’s privacy policy.

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes

Support

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