Latest, 16 Oct 2026:7 usersMove the mouse over the chart for any month
Ratings count
monthly, 7 months
Latest, 16 Oct 2026:2 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 ZUCKER
🍭 ZUCKER – JavaScript & CSS Injector for the Web
Take control of the internet and sprinkle a little sugar over the web.
With ZUCKER, you can inject your own JavaScript and CSS into any website. Customize layouts, remove annoying elements, or automate workflows directly in your browser. Your web. Your rules.
ZUCKER is a lightweight, fast tool for developers, power users, and anyone who wants websites to behave exactly the way they want.
✨ Features
🚀 Real-time Injection
Write code and see the changes instantly. Perfect for quick experiments, tweaks, and automation.
📂 Chrome Sidepanel Integration
No overlays, no intrusive popups. Access your snippets conveniently through the Chrome sidepanel while browsing.
🛠️ Flexible Injection Modes
• Manual
Run your script only when you actually need it.
• Global
Scripts run automatically on every website.
• URL-based
Use glob patterns like *://*.google.com/* to activate scripts only on specific websites.
🎨 JavaScript & CSS Support
Full control over behavior, layout, and styling of any webpage.
💾 Snippet Management
• Import and export snippets as JSON
• Duplicate scripts with a single click
• Auto-save and draft recovery
🌓 Dark & Light Mode
An interface that fits perfectly into your setup.
⌨️ Keyboard Shortcut
Open or close the sidepanel instantly with Ctrl + Shift + Y
🔐 Isolated Execution
Scripts run in an isolated environment to avoid conflicts with page scripts.
❓ Why ZUCKER?
Many script injectors rely on popups or intrusive overlays. ZUCKER integrates directly into the Chrome sidepanel, keeping it accessible at all times without interfering with your browsing experience.
The result:
• fast access
• a clean interface
• full control over any website
⚠️ Note
Automatic JavaScript injection may require Chrome Developer Mode. Starting with Chrome 138, the option “Allow User Scripts” must also be enabled. CSS injection works immediately without any additional settings.