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CSS to JavaScript Object Converter

Convert CSS to JavaScript style objects online. Transform CSS properties to camelCase JS objects for React and CSS-in-JS. Free and instant.

About CSS to JavaScript Conversion

CSS-in-JS is a popular approach in modern frontend development, especially with React. Libraries like styled-components, Emotion, and React's inline styles use JavaScript objects instead of CSS strings. Converting CSS to JS objects requires changing property names from kebab-case to camelCase (font-size becomes fontSize), wrapping string values in quotes, and converting pixel values to numbers where appropriate. This tool automates the conversion process, handling selectors, property names, and values. All processing happens locally in your browser.

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How to Use

  1. Paste your CSS code into the input panel
  2. Click Convert to generate JS objects
  3. Review the camelCase property names
  4. Copy the objects into your JavaScript/React project

Common Use Cases

  • Converting CSS to React inline style objects
  • Migrating CSS to CSS-in-JS libraries
  • Generating style objects for React Native
  • Converting design tool CSS output to JavaScript

Frequently Asked Questions

How are CSS property names converted?
Kebab-case CSS properties are converted to camelCase: font-size becomes fontSize, background-color becomes backgroundColor, border-radius becomes borderRadius.
Are pixel values converted to numbers?
Yes. Pure pixel values like 16px become the number 16. Values with other units (em, rem, %) remain as strings.
Does it handle CSS selectors?
Yes. CSS rules with selectors are converted to named JavaScript objects. Class selectors like .container produce a const named container.
Can I use the output with React?
Yes. The generated objects work with React's style prop, styled-components, Emotion, and other CSS-in-JS libraries.