esm.sh vs unpkg: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for esm.sh and unpkg side by side. This page compares data; it is not a hands-on review.
On the data: On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
esm.sh
Serve NPM packages as modern ES modules directly in browsers and Deno, no build tools needed.
Best for you if:
- • You want simplifies modern web development by removing build steps
unpkg
Instant CDN access to any npm package
Best for you if:
- • You want fast CDN for npm packages
| At a Glance | esm.sh | unpkg |
|---|---|---|
Starts at | Free 100% free | Free 100% free |
Category | CDN Hosting & Deployment | CDN Developer Tools |
Rating | n/a | n/a |
Free plan | Yes | Yes |
Choose esm.sh or unpkg?
Choose esm.sh if
- You want simplifies modern web development by removing build steps
- You want provides direct access to a vast ecosystem of NPM packages
Choose unpkg if
- You want fast CDN for npm packages
- You want no configuration required
In-Depth Analysis
esm.sh
Serve NPM packages as modern ES modules directly in browsers and Deno, no build tools needed.
Strengths
- Pro: Simplifies modern web development by removing build steps
- Pro: Provides direct access to a vast ecosystem of NPM packages
- Pro: Optimizes performance through bundling and tree shaking options
- Pro: Supports various module registries for flexibility
Weaknesses
- Con: Reliance on an external CDN for module delivery
- Con: URL-based configuration can become lengthy for complex setups
- Con: Potential for issues if CDN experiences downtime or performance degradation
Key features
unpkg
Instant CDN access to any npm package
Unpkg's pricing is exceptionally generous, as it offers a fully functional CDN for npm packages completely free of charge.
Strengths
- Pro: Fast CDN for npm packages
- Pro: No configuration required
- Pro: Browse package files easily
- Pro: Automatic latest version
- Pro: Free to use
Weaknesses
- Con: Not recommended for production
- Con: No SLA guarantees
- Con: Dependency on service availability
- Con: Version pinning important
- Con: Security considerations for CDN use
Key features
Plans and prices: esm.sh vs unpkg
| Tool | Plans and prices | Source |
|---|---|---|
| esm.sh | No plan prices on file | esm.sh/pricing |
| unpkg |
| unpkg.com read Sep 29, 2026 |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on esm.sh pricing and unpkg pricing.
Key Takeaways
esm.sh
- Choose if you want serve NPM packages as modern ES modules directly in browsers and Deno, no build tools needed
unpkg
- Choose if you want instant CDN access to any npm package
What the data shows
On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
- Both have a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do esm.sh and unpkg compare in 2026?
On the data below the two are close or not directly comparable, so we do not name a winner for this pair. Both have a free plan.
What are esm.sh and unpkg used for?
esm.sh: Serve NPM packages as modern ES modules directly in browsers and Deno, no build tools needed. unpkg: Instant CDN access to any npm package.
What does esm.sh cost vs unpkg?
esm.sh is free. unpkg is free. Prices read on the vendors' pricing pages, latest check Sep 29, 2026.
What's the main difference between esm.sh and unpkg?
esm.sh's main strength: simplifies modern web development by removing build steps. unpkg's main strength: fast CDN for npm packages.