DDependency DoctorOpen Analyzer
package.json analyzer & dependency vulnerability checker

Understand your dependencies before they become a problem.

Paste your package.json and instantly see vulnerabilities, outdated dependencies, upgrade chains, and breaking changes.

Analyze package.jsonSee an example
  • ✓Security vulnerabilities
  • ✓Outdated dependencies
  • ✓Upgrade chains
  • ✓Breaking changes
  • ✓Upgrade plan

Example findings

lodash 4.17.15

Vulnerable

Fixed in 4.17.21

react 18.2.0

Major update available

18 → 19

webpack 4.46.0

Upgrade chain detected

webpack → webpack-dev-server → plugins