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Nanoid vs Uuid

Side-by-side NPM package comparison

Quick Verdict

Smallest Bundle

Nanoid

455.0 B gzipped

Most Popular

Uuid

228.6M weekly downloads

Best Maintained

Nanoid

100/100 maintenance score

Highest Quality

Nanoid

50/100 quality score

Overall Pick

Nanoid

Best all-around based on popularity, size, maintenance & quality

nanoid icon

nanoid

Extremely Popular

Version 5.1.7

0
85
Excellent

A tiny (118 bytes), secure URL-friendly unique string ID generator

Weekly Downloads
146.2M
↑35%
Bundle (gzip)
455.0 B
Updated
Vulns
0

Health Score Breakdown

Maintenance
100
Popularity
100
Quality
50
Security
100
Stability
70
uuid icon

uuid

Extremely Popular

Version 13.0.0

0
67
Good

RFC9562 UUIDs

Weekly Downloads
228.6M
↑17%
Bundle (gzip)
3.8 KB
Updated
Vulns
0

Health Score Breakdown

Maintenance
40
Popularity
100
Quality
50
Security
100
Stability
70

Choosing between Nanoid and Uuid? 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

Uuid leads with 228.6M weekly downloads — roughly 1.6x more. Nanoid has 146.2M weekly downloads. Higher download counts generally indicate broader community adoption and a larger ecosystem of tutorials, plugins, and support.

Bundle Size

Nanoid has the smallest gzipped bundle at 455.0 B. Uuid comes in at 3.8 KB. A smaller bundle size means faster page loads, which improves user experience and Core Web Vitals scores.

Health Score Comparison

Nanoid has an overall health score of 85/100 (very good), with strong maintenance, security, popularity scores. Uuid has an overall health score of 67/100 (good), with strong security, popularity scores. Health scores are calculated from maintenance activity, code quality, security posture, popularity, and stability metrics.

When to Choose Each

Choose Nanoid if you value massive community and ecosystem, minimal bundle footprint, actively maintained, strong security track record. Choose Uuid if you value massive community and ecosystem, minimal bundle footprint, strong security track record.

Our Verdict

Both Nanoid and Uuid are solid choices for JavaScript development. Nanoid has the edge in overall health score (85/100), 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 nanoid better than uuid?
It depends on your needs. Nanoid has a health score of 85/100 while Uuid scores 67/100. Uuid has more weekly downloads (228.6M), 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, nanoid or uuid?
Nanoid has the smaller gzipped bundle at 455.0 B. A smaller bundle means faster load times for your users, which can positively impact SEO and user experience.
How many developers use nanoid vs uuid?
Based on npm download statistics, Nanoid has approximately 146.2M weekly downloads and Uuid has approximately 228.6M weekly downloads. These numbers reflect package installations, not unique developers, but they indicate relative adoption levels.
Which is better maintained, nanoid or uuid?
Nanoid currently has the higher overall health score at 85/100. Nanoid has a maintenance score of 100/100 and Uuid scores 40/100 on maintenance.

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