Javelin CSS

Name: Javelin CSS
Author: Javelin Studios

Inject custom CSS into the current webpage.

As of June 2026, Javelin CSS has 6 users in the Developer Tools category.

Javelin Studios Developer Tools

Chrome Web Store ↗.crx

Users+100.0%

Rating0%

—

— reviews

Reviews0%

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Version

1.0

Manifest V3

History

2 snapshots

Tracking since May 2, 2026.

View as table

Date	Users	Rating	Reviews	Version
May 2, 2026	3	—	—	1.0
Jun 1, 2026	2	—	—	1.0
Now	6	—	—	1.0

Permissions & access

Permissions: activeTabscripting
Host access: None declared

Screenshots

About

Javelin CSS widget, your essential tool for real-time web design experimentation. Whether you're a web developer, designer, or just someone who loves to tinker with the look and feel of websites, this widget offers a seamless way to inject custom CSS directly into any webpage you're currently viewing.

With the Live CSS Injector, you can instantly see how your CSS code affects the layout and style of a webpage. This live preview feature allows you to experiment with different styles and design elements, giving you a visual representation of your changes in real time. It's perfect for those who want to fine-tune their design before implementing it in their actual project.

Once you're satisfied with the look, simply copy the CSS code from the widget and paste it into your working document or project files. Whether you're tweaking colors, adjusting layouts, or testing new styles, the Live CSS Injector streamlines your workflow, allowing for quick iterations and immediate feedback. Elevate your web design process with the power of real-time CSS editing!