JS Object to CSS Converter
Free JS object to CSS converter — turn a JavaScript/React style object into CSS declarations or rules, with kebab-cased properties. Runs locally.
Runs entirely in your browser — nothing you enter is uploaded or stored.
JS Object to CSS Converter
Free JS object to CSS converter — turn a JavaScript/React style object into CSS declarations or rules, with kebab-cased properties. Runs locally.
Paste your JS object on the left and the CSS is produced instantly on the right — right in your browser. There’s no upload step: your data never leaves the page, which you can confirm from the Network panel or our privacy policy.
Credits
This tool is powered by open-source libraries that run in your browser:
- JSON5 — Lenient JSON/JS-object parsing (MIT)
Frequently asked questions
How do I convert JS object to CSS?
Paste or type your JS object in the left editor (or use Sample / Upload / URL). The CSS appears instantly on the right — copy or download it. Everything runs in your browser.
Is my data uploaded anywhere?
No. This converter runs entirely in your browser — your JS object is never sent to a server. You can verify it in the Network tab or in our Content-Security-Policy.
Is the JS Object to CSS free?
Yes — completely free, no sign-up and no limits. Everything happens client-side.