npm Version Range Checker

Load any npm package, type a range from package.json and see the matching versions and the one that installs.

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Help shape npm Version Range Checker

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Frequently Asked Questions

It installs the highest published version that satisfies the range, ignoring pre-releases unless the range asks for them.

It's a dist-tag, usually the newest stable release. The loaded list shows tags like latest, next and canary.

Your range may cap the major (^1.x stops before 2.0.0) or your lockfile pins an older version.

Versions come from jsDelivr's npm mirror, which updates within minutes of a publish.

npm Semver Checker — Which Version Will Install? - Privacy-First, Offline Developer Tool

Global Architecture: This tool runs entirely in your browser using WebAssembly. Unlike server-side alternatives, your data (JWTs, Logs, SQL) never leaves this device. It works offline and handles massive files (1GB+) bounded only by your RAM.