Unocss vs Windicss

Side-by-side NPM package comparison

unocss

Popular

Version 66.6.2

81
Excellent

The instant on-demand Atomic CSS engine.

Weekly Downloads
329.1K
4%
Bundle (gzip)
5.3 KB
Updated
Vulns
0

Health Score Breakdown

Maintenance
100
Popularity
80
Quality
50
Security
100
Stability
70

windicss

Moderate

Version 3.5.6

53
Fair

Next generation utility-first CSS framework.

Weekly Downloads
38.4K
39%
Bundle (gzip)
49.2 KB
Updated
Vulns
0

Health Score Breakdown

Maintenance
20
Popularity
60
Quality
50
Security
100
Stability
70

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.

Downloads & Popularity

Unocss leads with 329.1K weekly downloads — roughly 8.6x more. Windicss has 38.4K weekly downloads. Higher download counts generally indicate broader community adoption and a larger ecosystem of tutorials, plugins, and support.

Bundle Size

Unocss has the smallest gzipped bundle at 5.3 KB. Windicss comes in at 49.2 KB. A smaller bundle size means faster page loads, which improves user experience and Core Web Vitals scores.

Health Score Comparison

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.

When to Choose Each

Choose Unocss if you value actively maintained, strong security track record. Choose Windicss if you value strong security track record.

Our Verdict

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.

Frequently Asked Questions

Is unocss better than windicss?
It depends on your needs. Unocss has a health score of 81/100 while Windicss scores 53/100. Unocss has more weekly downloads (329.1K), suggesting broader adoption. Consider your specific requirements — bundle size, community support, and feature set — to decide which is the better fit.
Which has a smaller bundle size, unocss or windicss?
Unocss has the smaller gzipped bundle at 5.3 KB. A smaller bundle means faster load times for your users, which can positively impact SEO and user experience.
How many developers use unocss vs windicss?
Based on npm download statistics, Unocss has approximately 329.1K weekly downloads and Windicss has approximately 38.4K weekly downloads. These numbers reflect package installations, not unique developers, but they indicate relative adoption levels.
Which is better maintained, unocss or windicss?
Unocss currently has the higher overall health score at 81/100. Unocss has a maintenance score of 100/100 and Windicss scores 20/100 on maintenance.

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