Bundlephobia vs unpkg: Which is Better in 2026?
Choosing between Bundlephobia and unpkg comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Bottom line: unpkg is our overall pick for cdn workflows. Pick Bundlephobia if you need developer tools.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Bundlephobia
Analyze the size and performance cost of npm dependencies for your JavaScript bundle.
Best for you if:
- • You need developer tools features specifically
- • Analyzes the size of npm packages.
- • Helps optimize JavaScript bundle performance.
unpkg
Instant CDN access to any npm package
Best for you if:
- • You need cdn features specifically
- • unpkg is a fast CDN for npm packages
- • It serves any file from any npm package instantly
| At a Glance |  Bundlephobia |  unpkg |
|---|---|---|
Starts at | Free | Free |
Best For | Developer Tools | CDN |
Rating | - | - |
Choose Bundlephobia or unpkg?
Choose Bundlephobia if
Analyze the size and performance cost of npm dependencies for your JavaScript bundle.
- Helps reduce bundle size and improve load times
- Easy to use interface for quick analysis
- Supports both individual package and project-level analysis
- Your work is developer tools-shaped, not cdn-shaped
Choose unpkg if
Instant CDN access to any npm package
- Fast CDN for npm packages
- No configuration required
- Browse package files easily
- Your work is cdn-shaped, not developer tools-shaped
| Feature | Bundlephobia | unpkg |
|---|---|---|
| Pricing Model | Free | Free |
| User Rating | No ratings yet | No ratings yet |
| Categories | Developer ToolsTesting & QA | CDNDeveloper Tools |
In-Depth Analysis
Bundlephobia
Analyze the size and performance cost of npm dependencies for your JavaScript bundle.
Strengths
- +Helps reduce bundle size and improve load times
- +Easy to use interface for quick analysis
- +Supports both individual package and project-level analysis
- +Free to use
Weaknesses
- -Limited to npm packages
- -Does not analyze custom code or local dependencies
Key features
unpkg
Instant CDN access to any npm package
Strengths
- +Fast CDN for npm packages
- +No configuration required
- +Browse package files easily
- +Automatic latest version
- +Free to use
Weaknesses
- -Not recommended for production
- -No SLA guarantees
- -Dependency on service availability
- -Version pinning important
- -Security considerations for CDN use
Key features
Pricing: Bundlephobia vs unpkg
| Plan | Bundlephobia | unpkg |
|---|---|---|
| Tier 1 | Free Free | Free Free |
Pricing verified from each vendor's public pricing page. Compare in detail on Bundlephobia pricing and unpkg pricing.
Who Should Use What?
On a budget?
Both are free. Compare plans on their websites.
Go with: Bundlephobia
Want the highest-rated option?
Neither has user reviews yet.
Go with: Bundlephobia
Value user reviews?
Neither has user reviews yet.
Go with: unpkg
3 Questions to Help You Decide
What's your budget?
Both are free. Pricing won't help you decide here.
What's your use case?
Bundlephobia is a developer tools tool. unpkg is in cdn. Pick the category that matches your needs.
How important are ratings?
Neither has user reviews yet.
Key Takeaways
unpkg
- Completely free
- Our pick for this comparison
Bundlephobia
- Better fit for developer tools
The Bottom Line
unpkg is our pick.
Frequently Asked Questions
Is Bundlephobia or unpkg better?
unpkg is rated in our evaluation. Both are free.
What are Bundlephobia and unpkg used for?
Bundlephobia: Analyze the size and performance cost of npm dependencies for your JavaScript bundle.. unpkg: Instant CDN access to any npm package.
What does Bundlephobia cost vs unpkg?
Bundlephobia is completely free. unpkg is completely free. Visit their websites for detailed pricing.