Enter complete semantic versions, including prerelease tags when they matter.
Local semantic version checker
업그레이드 전에 버전을 비교하세요.
Compare semantic versions and test an npm style range locally in your browser.
* Nothing is uploaded. SemverLens parses and compares versions in this browser tab only.
Local semantic version checker
Check the release boundary before merging
Use a range such as ^1.2.0 or >=1.0.0 <2.0.0.
Read both the precedence result and the range answer before upgrading a dependency.
FAQ
What does SemverLens send?
Does it query npm?
No. Version parsing and range checks run locally with no registry request.
Which range syntax is supported?
It supports the npm SemVer range syntax, including caret, tilde, comparator, wildcard, and prerelease rules.