CSS To JS Converter
Transform CSS rules into JavaScript style objects for React, React Native, and inline styles with real-time conversion.
Convert CSS to JavaScript Style Objects
React, React Native, and many CSS-in-JS libraries expect styles as JavaScript objects instead of traditional CSS rules. Manually rewriting selectors and declarations is slow and error-prone. This CSS to JavaScript converter parses your stylesheet and outputs a ready-to-use object literal in real time.
What this tool does
Enter CSS rules and get a JavaScript object where each selector maps to its property declarations. Toggle
camelCase conversion for React Native compatibility or cleaner inline style keys. The output wraps the
object in a const converted assignment you can paste directly into your project.
Related developer tools
Migrating stylesheets? Try the CSS to Tailwind Converter for utility-first CSS, or the CSS to SASS Converter for preprocessor workflows. Use the CSS Beautifier to format messy CSS before conversion.
Frequently Asked Questions
Does this support nested CSS or media queries?
Standard CSS rules and selectors are converted. Complex nested syntax may produce nested object structures. For heavily nested stylesheets, consider flattening or using a preprocessor first.
What does React Native compatible mode do?
It converts kebab-case CSS property names like background-color to camelCase
backgroundColor, which React Native style objects require.
Can I use the output in inline styles?
Yes. Copy the generated object and spread or assign it to the style prop in React, or
use it inside styled-components and emotion style definitions.
Is conversion done in the browser?
Yes. Parsing and objectification run entirely client-side using PostCSS. Your CSS is not uploaded to any server.
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