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Preview of Global Grayscale

Global Grayscale by Alexander M

Globally synced and Open Source grayscale for all tabs and UI.

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About this extension
Applies grayscale to all tabs. Can be toggled on and off by clicking the add-on icon.
Source: https://github.com/adminchev/Grayscale-for-Firefox
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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
4.0
Size
24.01 KB
Last updated
15 days ago (Dec 31, 2025)
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