73
GoodA universally-unique, lexicographically-sortable, identifier generator
- Weekly Downloads
- 8.3M
↑22%
- Bundle (gzip)
- 2.0 KB
- Updated
- Vulns
- 0
Health Score Breakdown
Maintenance
60
Popularity
100
Quality
50
Security
100
Stability
70
Comparison guide
Ulid vs Uuid
Side-by-side NPM package comparison
Quick Verdict
Smallest Bundle
Ulid
2.0 KB gzipped
Most Popular
Uuid
249.2M weekly downloads
Best Maintained
Uuid
100/100 maintenance score
Highest Quality
Ulid
50/100 quality score
Overall Pick
Uuid
Best all-around based on popularity, size, maintenance & quality
85
ExcellentRFC9562 UUIDs
- Weekly Downloads
- 249.2M
↓6%
- Bundle (gzip)
- 3.7 KB
- Updated
- Vulns
- 0
Health Score Breakdown
Maintenance
100
Popularity
100
Quality
50
Security
100
Stability
70
Choosing between Ulid 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 249.2M weekly downloads — roughly 30.0x more. Ulid has 8.3M weekly downloads. Higher download counts generally indicate broader community adoption and a larger ecosystem of tutorials, plugins, and support.
Bundle Size
Ulid has the smallest gzipped bundle at 2.0 KB. Uuid comes in at 3.7 KB. A smaller bundle size means faster page loads, which improves user experience and Core Web Vitals scores.
Health Score Comparison
Uuid has an overall health score of 85/100 (very good), with strong maintenance, security, popularity scores. Ulid has an overall health score of 73/100 (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 Ulid if you value large community support, minimal bundle footprint, strong security track record. Choose Uuid if you value massive community and ecosystem, minimal bundle footprint, actively maintained, strong security track record.
Our Verdict
Both Ulid and Uuid are solid choices for JavaScript development. Uuid 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 ulid better than uuid?
- It depends on your needs. Ulid has a health score of 73/100 while Uuid scores 85/100. Uuid has more weekly downloads (249.2M), 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, ulid or uuid?
- Ulid has the smaller gzipped bundle at 2.0 KB. A smaller bundle means faster load times for your users, which can positively impact SEO and user experience.
- How many developers use ulid vs uuid?
- Based on npm download statistics, Ulid has approximately 8.3M weekly downloads and Uuid has approximately 249.2M weekly downloads. These numbers reflect package installations, not unique developers, but they indicate relative adoption levels.
- Which is better maintained, ulid or uuid?
- Uuid currently has the higher overall health score at 85/100. Ulid has a maintenance score of 60/100 and Uuid scores 100/100 on maintenance.
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