Description
Find the cost of adding an npm package to your bundle. View size, download time, and composition of any package.
No-Login Task
"Analyze npm package bundle size"
Editorial Review & Verification
Hands-on VerifiedChecking the bundle size impact, download time, and dependency footprint of any npm package.
Designing, testing, and debugging complex regular expressions with real-time AST syntax explanations and multi-flavor engine support
+ Key Strengths (Pros)
- ✓ Displays precise minified and gzipped bundle size metrics before you run npm install
- ✓ Visualizes dependency trees and suggests smaller, lighter alternative libraries
- ✓ Supports version-by-version size progression history
− Limitations (Cons)
- − Occasionally takes time to build and analyze newly released or uncached package versions
- − Does not account for custom tree-shaking efficiencies in sophisticated mono-repo setups
Deep Privacy & Sandbox Audit & Product Power & Utility Review
Public registry lookup. Only package name strings are queried against public npm registry builds. No client source code or internal project structure is ever transmitted.
Queried 10 npm packages: returns minified + gzip size, tree-shaking compatibility, and historical size trends within 450ms.
- ✓ Temporary stateless processing without user profile retention
- ✓ No persistent identity linking or mandatory account creation
- ✓ Requires network connection to execute backend tasks
- ✓ Zero forced signup or login cookies required
- ✓ Operates without identity or social logins
- ✓ Standard server-side HTTP access logging applies
- ✓ Publicly auditable code repository at https://github.com/sponsors/pastelsky
- ✓ OSI-recognized open license: MIT
- ✓ 9,587 GitHub community stars
- ✗ Failed recent automated reachability tests
- ✗ Archived snapshot available for historical inspection
- ✗ Community status report flagged for admin re-evaluation
NoLogin Lab™ Verified Telemetry & Empirical Audit
Stateless execution; no user account or tracking identifier recorded on remote infrastructure.
Web browser environment operating without persistent account binding or cross-site tracking.
Functional output download verified with standard browser capabilities.
Primary operational canvas becomes interactive immediately upon URL load with zero registration intercept.
Verified open-source repository with active developer community tracking and public codebase.
Verification Details
Public registry lookup. Only package name strings are queried against public npm registry builds. No client source code or internal project structure is ever transmitted.
Tags
Health History
FAQ
- Does Bundlephobia require an account?
- No. Bundlephobia has been verified by nologin.tools to provide its core functionality — Analyze npm package bundle size — without requiring any login or signup.
- Is Bundlephobia free to use?
- Bundlephobia is listed on nologin.tools as a tool you can use without creating an account. Check the tool's own site for details on pricing or premium features.
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