Description
Add CSS - Custom Style Injector is a powerful, lightweight, and developer-friendly browser extension that allows you to inject custom CSS styles into any domain or specific URL.
Features:
Toggle with Ease: Quickly enable or disable individual styles, or use the Global Toggle to turn off all customizations at once.
Search & Filter: Easily find your custom styles among dozens of entries using the built-in search bar.
Import & Export: Move your custom styles between different browsers or backup your data with a single click via JSON files.
Privacy Focused: No tracking, no external servers. Your custom styles are stored locally in your browser.
Reviews
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Permissions (3)
Permissions
scriptingℹ Can inject scripts into web pages storageℹ Can store data locally in your browser tabsℹ Can see your open tabs and their URLs
Details
| Version | 1.0.1 |
| Updated | Jan 9, 2026 |
| Size | 26.58KiB |
| First Seen | Mar 27, 2026 |
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