How to use: Semver Compare
Semver Compare is a free online Developer Tools tool that compare two semantic versions by precedence and tell you whether the change is breaking instantly in your browser. Paste your data, adjust the options and get the result in real time — no installation, no sign-up, and nothing is ever uploaded to a server.
Description
Compare two semantic versions by precedence and tell you whether the change is breaking.
- Developer Tools
- Because everything is computed client-side, Semver Compare is safe to use with sensitive data such as API keys, tokens or private logs.
How to use
Using Semver Compare takes three steps:
- Paste your data into the input box (or load the example).
- Configure the options to match your target format or scenario.
- Copy, download or inspect the output — it updates live as you type.
Run
Examples
Compare against 1.9.0 — numerically per component, not as a string, so 1.10.0 wins.
Input
1.10.0
Output
1.10.0 < 2.0.0 Comparison: A is OLDER than B Difference: major -1, minor 10, patch 0 Breaking change between them: YES (major differs)
This output was produced by actually running the tool, not written by hand.
Use cases
Common situations where Semver Compare helps:
- Compare two semantic versions by precedence and tell you whether the change is breaking.
Parameters
| key | Options | type | allowed | default | Semver Compare |
|---|---|---|---|---|---|
mode | Operation | select | parse (Parse and explain), compare (Compare two versions), bump (Bump a part), range (Test a range), sort (Sort a list) | — | compare |
b | Second version / range | text | — | 2.0.0 | — |
part | Bump part | select | major, minor, patch, premajor, preminor, prepatch, prerelease | — | — |
pre | Prerelease tag | text | — | beta | — |
Input: text · Output: text · live update while typing: ✓
FAQ
What is Semver Compare?
Semver Compare compare two semantic versions by precedence and tell you whether the change is breaking. It runs entirely in your browser, so your data stays private.
Is Semver Compare free to use?
Yes. Semver Compare is free, unlimited and works without registration or installation.
Does my data get uploaded?
No. All processing happens locally in your browser; nothing is sent to any server.
Good to know
- Everything runs client-side, so extremely large inputs are limited by your browser tab’s memory rather than by a server upload limit.