Free Online CSS to CSS-in-JS Converter
Convert your CSS code to CSS-in-JS format for Styled Components, Emotion, or JSS effortlessly with our fast and easy-to-use online tool.
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CSS to CSS-in-JS Converter
CSS Input
CSS-in-JS Output
Note: This converter transforms CSS to CSS-in-JS format. Hover states are supported for styled-components. Make sure to install the required library (styled-components, @emotion/react, or react-jss) in your project.
Examples
Styled Components
Emotion
JSS
Powerful Features for Seamless CSS to CSS-in-JS Conversion
Convert your CSS code to CSS-in-JS format instantly with our feature-rich, client-side tool, supporting multiple libraries.
Multiple Libraries
Convert CSS to CSS-in-JS for Styled Components, Emotion, or JSS (React-JSS).
Client-Side Processing
All conversion happens on the client side, ensuring fast and private transformations without server requests.
Real-Time Conversion
See the conversion to CSS-in-JS take place in real-time as you type or paste CSS code.
Easy Copy
Copy the converted CSS-in-JS code to your clipboard with a single click for seamless integration.
Download Code
Download the converted code as a JSX or JS file for direct use in your project.
Editable Output
Edit the converted CSS-in-JS code directly in the output editor to refine your code.
Side-by-Side Editor
Integrated editor allows you to see both CSS and the converted CSS-in-JS side-by-side for easy comparison.
No External Requests
Your CSS is processed entirely within your browser, ensuring privacy and security with no data sent externally.
Hover State Support
Automatically converts :hover pseudo-classes to proper CSS-in-JS hover syntax for styled-components.
Quick Reset
Easily reset the input editor to clear your CSS and start a new conversion.
How to Use
Simple 6-step process
Step 1
Paste your CSS code into the input text editor.
Step 2
Select the CSS-in-JS library (Styled Components, Emotion, or JSS).
Step 3
Watch the conversion happen in real-time as CSS is converted to CSS-in-JS.
Step 4
Copy the converted CSS-in-JS code using the 'Copy' button for easy use in your project.
Step 5
Download the converted code as a file to integrate directly into your project.
Step 6
Edit the converted code if necessary to fine-tune your styling.
Frequently Asked Questions
Everything you need to know about our process, pricing, and technical capabilities.
See Full FAQTo convert CSS to CSS-in-JS: Paste your CSS code into the input text editor. Select the CSS-in-JS library (Styled Components, Emotion, or JSS). The conversion happens instantly on the client side as you type. Copy the converted CSS-in-JS code using the 'Copy' button, or download it as a file for direct use in your project.
This tool supports three popular CSS-in-JS libraries: Styled Components (styled-components), Emotion (@emotion/react), and JSS (react-jss). Each library has its own syntax and features.
No, the tool processes the CSS-to-CSS-in-JS conversion entirely on the client side. This ensures your data remains private and the conversion is fast, with no external server requests.
Yes! The tool provides an editable output section where you can adjust the converted CSS-in-JS code as needed.
Styled Components: Uses template literals and creates styled React components. Emotion: Uses css prop or styled API. JSS: Uses JavaScript objects with camelCase properties and createUseStyles hook.
Certainly! Here's a simple example: Input CSS: .button { background-color: #3498db; color: white; padding: 12px 24px; border-radius: 4px; } Styled Components Output: import styled from 'styled-components'; const Button = styled.div` background-color: #3498db; color: white; padding: 12px 24px; border-radius: 4px; `; export default Button;
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