Free 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.

CSS to CSS-in-JS Converter

CSS Input

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CSS-in-JS Output

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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

How it works

Six steps.

  1. 01

    Paste your CSS code into the input text editor.

  2. 02

    Select the CSS-in-JS library (Styled Components, Emotion, or JSS).

  3. 03

    Watch the conversion happen in real-time as CSS is converted to CSS-in-JS.

  4. 04

    Copy the converted CSS-in-JS code using the 'Copy' button for easy use in your project.

  5. 05

    Download the converted code as a file to integrate directly into your project.

  6. 06

    Edit the converted code if necessary to fine-tune your styling.

Features

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.

FAQ

Questions.

Can't find an answer? Send us your question.

How do I convert CSS to CSS-in-JS?

To 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.

What CSS-in-JS libraries are supported?

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.

Does the tool make any server requests during conversion?

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.

Can I edit the converted CSS-in-JS code?

Yes! The tool provides an editable output section where you can adjust the converted CSS-in-JS code as needed.

What's the difference between the CSS-in-JS libraries?

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.

Can you provide an example of CSS-to-CSS-in-JS conversion?

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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