📖 What is this tool?
Semver Calculator validates, analyzes and compares Semantic Version numbers. Enter any version number to see its breakdown (major, minor, patch) and next version increments. Compare two versions to see which is greater.
💡 Example
Output
1.2.3 is LESS THAN 1.3.0
Next patch: 1.2.4
Next minor: 1.3.0
Next major: 2.0.0
🛠️ Common Use Cases
- Validate version numbers follow semver spec
- Compare two versions to determine precedence
- Calculate next patch, minor or major version
- Check if a version indicates stability
- Understand pre-release version ordering
❓ Frequently Asked Questions
What is semantic versioning? ▾
Semantic versioning (semver) uses MAJOR.MINOR.PATCH format. MAJOR changes break backward compatibility, MINOR adds features without breaking changes, PATCH fixes bugs without new features.
When should I increment the major version? ▾
Increment MAJOR when you make incompatible API changes — removing functions, changing function signatures or changing behavior in ways that break existing code.
What does a 0.x.x version mean? ▾
Versions below 1.0.0 are considered unstable. Anything may change at any time. Once you reach 1.0.0, you commit to the semver backward compatibility guarantees.
🔒
Your data stays private. All processing happens entirely in your browser. Nothing is ever sent to our servers. You can use this tool offline after the page loads.