package.json Dependency Health Checker

Paste your package.json and check every npm dependency against the npm registry — latest version, how far behind. 100% client-side, nothing leaves your browser.

Paste your package.json

Checks npm registry directly — nothing leaves your browser

Up to date

Behind

Critical

Package	Pinned	Latest	Gap	Grade

Grades: A = current • B = patch behind • C = minor behind • D = major behind • F = yanked or not found. Up to 80 packages per check.

📦 More Dependency Health Tools

Browse all 19 free tools in the Dependency Health collection — npm, PyPI, Go, Rust, Maven, PHP Composer, NuGet, RubyGems health checkers and more.

package.json Dependency Health Checker

</> Embed package.json Dependency Health Checker