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Exceljs vs Sheetjs

Side-by-side NPM package comparison

exceljs

Very Popular

Version 4.4.0

61
Good

Excel Workbook Manager - Read and Write xlsx and csv Files.

Weekly Downloads
4.4M
↑9%
Bundle (gzip)
6.2 MB
Updated
Vulns
0

Health Score Breakdown

Maintenance
20
Popularity
100
Quality
50
Security
100
Stability
70

sheetjs

Niche

Version 2.0.0

49
Fair

Placeholder package for SheetJS

Weekly Downloads
5.0K
↓14%
Bundle (gzip)
416.0 B
Updated
Vulns
0

Health Score Breakdown

Maintenance
20
Popularity
40
Quality
50
Security
100
Stability
70

Choosing between Exceljs and Sheetjs? 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

Exceljs leads with 4.4M weekly downloads — roughly 876.6x more. Sheetjs has 5.0K weekly downloads. Higher download counts generally indicate broader community adoption and a larger ecosystem of tutorials, plugins, and support.

Bundle Size

Sheetjs has the smallest gzipped bundle at 416.0 B. Exceljs comes in at 6.2 MB. A smaller bundle size means faster page loads, which improves user experience and Core Web Vitals scores.

Health Score Comparison

Exceljs has an overall health score of 61/100 (good), with strong security, popularity scores. Sheetjs has an overall health score of 49/100 (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 Exceljs if you value large community support, strong security track record. Choose Sheetjs if you value minimal bundle footprint, strong security track record.

Our Verdict

Both Exceljs and Sheetjs are solid choices for JavaScript development. Exceljs has the edge in overall health score (61/100), 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 exceljs better than sheetjs?
It depends on your needs. Exceljs has a health score of 61/100 while Sheetjs scores 49/100. Exceljs has more weekly downloads (4.4M), 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, exceljs or sheetjs?
Sheetjs has the smaller gzipped bundle at 416.0 B. A smaller bundle means faster load times for your users, which can positively impact SEO and user experience.
How many developers use exceljs vs sheetjs?
Based on npm download statistics, Exceljs has approximately 4.4M weekly downloads and Sheetjs has approximately 5.0K weekly downloads. These numbers reflect package installations, not unique developers, but they indicate relative adoption levels.
Which is better maintained, exceljs or sheetjs?
Exceljs currently has the higher overall health score at 61/100. Exceljs has a maintenance score of 20/100 and Sheetjs scores 20/100 on maintenance.

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