The instant on-demand Atomic CSS engine.
- Weekly Downloads
- 406.7K
- Bundle (gzip)
- 159.5 KB
- Updated
- Vulns
- 0
Comparison guide
Side-by-side NPM package comparison
Smallest Bundle
Windicss
49.2 KB gzipped
Most Popular
Unocss
406.7K weekly downloads
Best Maintained
Unocss
100/100 maintenance score
Highest Quality
Unocss
50/100 quality score
Overall Pick
Unocss
Best all-around based on popularity, size, maintenance & quality
The instant on-demand Atomic CSS engine.
Next generation utility-first CSS framework.
Choosing between Unocss and Windicss? Here's a data-driven comparison based on real npm data — downloads, bundle size, health scores, and more — to help you decide which package fits your project best.
Unocss leads with 406.7K weekly downloads — roughly 9.1x more. Windicss has 44.7K weekly downloads. Higher download counts generally indicate broader community adoption and a larger ecosystem of tutorials, plugins, and support.
Windicss has the smallest gzipped bundle at 49.2 KB. Unocss comes in at 159.5 KB. A smaller bundle size means faster page loads, which improves user experience and Core Web Vitals scores.
Unocss has an overall health score of 81/100 (very good), with strong maintenance, security, popularity scores. Windicss has an overall health score of 53/100 (moderate), with strong security scores. Health scores are calculated from maintenance activity, code quality, security posture, popularity, and stability metrics.
Choose Unocss if you value actively maintained, strong security track record. Choose Windicss if you value strong security track record.
Both Unocss and Windicss are solid choices for JavaScript development. Unocss has the edge in overall health score (81/100), while each package brings unique strengths to the table. Evaluate them based on your project's priorities — whether that's community size, bundle efficiency, or maintenance activity — and choose the one that aligns best with your requirements.
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