SemVer Calculator & Range Tester
100% In-Browser Execution · Zero External Calls · Private & Secure
Quick Guide
HOW TO USE
SEMVER CALCULATOR & RANGE TESTER
Simple 4-step workflow
Input your data
Paste or type your input directly into the SemVer Calculator & Range Tester workspace.
Configure parameters & options
Adjust formatting, encoding mode, schema settings, or options in real time.
Inspect live result
Review the instant, zero-latency computation generated entirely in browser memory.
Copy or export output
Use the one-click copy button to copy the transformed output to your clipboard.
Specification
WHAT IS
SEMVER CALCULATOR & RANGE TESTER?
The SemVer Calculator parses semantic versions into Major, Minor, Patch, Pre-release, and Build metadata. It tests package range expressions and calculates next version releases.
When to use it
- →Testing NPM, Cargo, Pip, or Go package range compatibility (^, ~, >=, <)
- →Calculating next release versions (Major, Minor, Patch, or Pre-release Alpha/Beta/RC)
- →Sorting and ranking a list of Git tags according to strict SemVer precedence rules
- →Understanding semantic versioning semantics for open source libraries
Key Features
- ·SemVer 2.0.0 specification compliant parser and validator
- ·Interactive range tester with plain-English rule explanations
- ·1-Click version bumper (Major, Minor, Patch, Pre-major, Pre-minor, Pre-patch)
- ·Batch version comparator and sorter (Ascending / Descending)
Build metadata (e.g. +build.1) is ignored during precedence evaluation per SemVer 2.0.0 spec section 10
A normal version always has greater precedence than a pre-release version with the same major, minor, and patch
Privacy & Security Guarantee
WHY IN-BROWSER PROCESSING MATTERS FOR DEVELOPERS
Many online formatters and decoders send your code, JSON payloads, auth tokens, and database schemas to backend servers where they can be cached, logged, or intercepted. ToolBox4Devs guarantees that all processing for SemVer Calculator & Range Tester runs entirely in your browser's JavaScript V8 engine.
Frequently Asked
QUESTIONS &
ANSWERS
Indexed for search engines and AI assistants
What is SemVer Calculator & Range Tester?→
The SemVer Calculator parses semantic versions into Major, Minor, Patch, Pre-release, and Build metadata. It tests package range expressions and calculates next version releases.
Is SemVer Calculator & Range Tester private and safe for sensitive data?→
Yes. Like all tools on ToolBox4Devs, SemVer Calculator & Range Tester runs 100% client-side inside your browser JavaScript runtime. No input data, API keys, JSON payloads, passwords, or secrets are ever sent to any server or external API.
How does SemVer Calculator & Range Tester work?→
All computations and transformations execute synchronously within your local browser environment using standard Web APIs, Web Crypto, and JavaScript. You can verify this by checking the DevTools Network tab while using the tool.
Is SemVer Calculator & Range Tester free to use?→
Yes, SemVer Calculator & Range Tester is 100% free with no registration, no daily usage limits, and no advertising.
Can I use SemVer Calculator & Range Tester offline?→
Yes. ToolBox4Devs is an installable Progressive Web App (PWA). Once cached in your browser, all utilities run completely offline without an internet connection.
What are common use cases for SemVer Calculator & Range Tester?→
Popular scenarios include: Testing NPM, Cargo, Pip, or Go package range compatibility (^, ~, >=, <). Calculating next release versions (Major, Minor, Patch, or Pre-release Alpha/Beta/RC). Sorting and ranking a list of Git tags according to strict SemVer precedence rules. Understanding semantic versioning semantics for open source libraries.
What features are included in SemVer Calculator & Range Tester?→
Key capabilities include: SemVer 2.0.0 specification compliant parser and validator, Interactive range tester with plain-English rule explanations, 1-Click version bumper (Major, Minor, Patch, Pre-major, Pre-minor, Pre-patch), Batch version comparator and sorter (Ascending / Descending).
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