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SemVer Comparator

Compare two semantic versions (e.g. 1.2.3 vs 1.2.4) or check if a version satisfies a range (e.g. ^1.2.0). Free and instant. No sign-up required.

About this tool

This free SemVer comparator lets you compare two semantic versions (e.g. 1.2.3 and 1.2.4) to see which is greater, less, or equal. You can also check whether a version satisfies an npm- style range such as ^1.2.0 or ~1.0.0. Invalid versions and ranges show clear validation messages.

How it works

  • Compare versions: Enter two versions in major.minor.patch format. The result shows whether the first is greater than, less than, or equal to the second.
  • Check range: Enter a version and a range (e.g. ^1.2.0, >=1.0.0). The tool reports whether the version satisfies the range.

Use cases

  • Dependency management: Verify that a package version satisfies your required range in package.json.
  • Release checks: Compare release versions before tagging or deploying.
  • CI/CD: Validate version compatibility in build and deploy pipelines.

Frequently asked questions

What is semantic versioning?
Semantic versioning (SemVer) uses major.minor.patch (e.g. 1.2.3). Major for breaking changes, minor for new backward-compatible features, patch for backward-compatible fixes.
What does ^ and ~ mean in version ranges?
^1.2.0 allows any version >=1.2.0 and <2.0.0. ~1.2.0 allows >=1.2.0 and <1.3.0. These are common in package.json and lockfiles.
Does this tool work offline?
Yes. Comparison and range checks run in your browser. No data is sent to any server. No registration required.

Added Feb 28, 2026

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