How to use: Semver Range Checker
Semver Range Checker is a free online Developer Tools tool that test whether a version satisfies a ^, ~, >=, < or x-range expression 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.
Use Semver Range Checker now →
Description
Test whether a version satisfies a ^, ~, >=, < or x-range expression.
- Developer Tools
- Because everything is computed client-side, Semver Range Checker is safe to use with sensitive data such as API keys, tokens or private logs.
How to use
Using Semver Range Checker 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
Test against ^1.2.3, ~1.2.3 or >=1.0.0 <2.0.0 in the second field.
Input
1.4.9
Output
1.4.9 satisfies "2.0.0" ? ✗ NO Supported range syntax: ^1.2.3 ~1.2.3 >=1.0.0 <2.0.0 1.2.x * and || for unions. ^ allows changes that do not modify the left-most non-zero component. ~ allows patch-level changes (or minor, when the patch is omitted).
This output was produced by actually running the tool, not written by hand.
Use cases
Common situations where Semver Range Checker helps:
- Test whether a version satisfies a ^, ~, >=, < or x-range expression.
Parameters
This tool has no options — it works on the input alone.
FAQ
What is Semver Range Checker?
Semver Range Checker test whether a version satisfies a ^, ~, >=, < or x-range expression. It runs entirely in your browser, so your data stays private.
Is Semver Range Checker free to use?
Yes. Semver Range Checker 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.