Inject custom CSS into websites with a professional management dashboard.
Users
30
−7 in 30 days
Rating
3.0 / 5
unchanged in 30 days
Ratings
1
0 in 30 days
Store rank
#131K
#109K among extensions
Version
1.0.0
updated 1 Dec 2025
Users
monthly, 11 months
Latest, 16 Oct 2026:30 usersMove the mouse over the chart for any month
Ratings count
monthly, 11 months
Latest, 16 Oct 2026:1 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About CSS Injection
# CSS Injector - Professional Style Manager
## Short Description (Max 132 chars)
Inject custom CSS into any website. Customize the web with a powerful, easy-to-use style manager and editor.
## Detailed Description
**Transform the Web with CSS Injector**
Take control of your browsing experience with **CSS Injector**, the ultimate tool for developers, designers, and power users who want to customize the look and feel of any website. Whether you're tweaking a layout, creating a dark mode, or hiding annoying elements, CSS Injector makes it simple, fast, and persistent.
**🚀 Key Features:**
* **🎨 Universal Injection:** Apply custom CSS rules to specific domains, subdomains, or globally across the entire web.
* **💻 Professional Dashboard:** Manage all your styles in one place with a clean, modern interface designed for productivity.
* **⚡ Live Editor:** Write and edit CSS with ease directly in the dashboard.
* **🔄 Instant Toggle:** Instantly enable or disable the extension or specific rules with a single click via the popup.
* **📥 Import & Export:** Backup your rules or share them with others using JSON import/export.
* **🔒 Privacy Focused:** Your data stays on your device. We don't track your browsing history or collect personal data.
* **⚡ Lightweight & Fast:** Optimized for performance, ensuring no lag while browsing.
**Why Choose CSS Injector?**
Unlike other tools that are cluttered or difficult to use, CSS Injector focuses on a **premium user experience**. It’s lightweight, fast, and built with modern web standards (Manifest V3) to ensure reliability and security.
**Perfect For:**
* **Developers:** Quickly test CSS fixes on live production sites without deploying code.
* **Designers:** Experiment with different fonts, colors, and layouts in real-time.
* **Power Users:** Fix broken websites, increase readability, remove distractions, or create custom themes.
**Get Started Today!**
Install CSS Injector and start customizing the web to your liking. Your web, your rules.
Growth
Window
Users
Change
Ratings
Rating
7 days
+3
+11.1%
0
0.00
30 days
−7
−18.9%
0
0.00
6 months
+25
+500.0%
0
0.00
Chrome Web Store search rankings
Where CSS Injection appears when people search the store, with the 30 day change