Semver Checker

Validate + compare versions

Free Online Tool

Semver Checker — Complete Guide & Instructions

Check whether a version string is valid semver 2.0 — parsed into major, minor, patch, pre-release and build — or compare two versions with correct pre-release ordering (1.0.0-alpha < 1.0.0).

How to Use Semver Checker

  1. 1 Enter a version like 1.2.3.
  2. 2 Or two versions separated by "vs".
  3. 3 See validity or which is newer.

Key Features & Capabilities

  • Full semver 2.0 validation.
  • Pre-release-aware comparison.
  • Build metadata support.