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Semver Range Intersection Checker

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Check whether two semver ranges overlap and find the intersecting range

Paste two semver ranges, like a package's own version constraint and a peer dependency's requirement, and see whether they can both be satisfied by the same version, plus the exact range that satisfies both when they can. It supports the same caret, tilde, comparison-operator, and exact-version syntax as the Semver Calculator, combined with space-separated AND logic or `||` for OR. This is the question dependency-conflict debugging actually needs answered: not whether one version matches one range, but whether two ranges from two different package.json files leave any room to overlap at all.

semverversionrangecompare

How to use Semver Range Intersection Checker

  • 1.Paste the first range (e.g. `^1.2.0`) into Range A and the second (e.g. `>=1.5.0 <2.0.0`) into Range B.
  • 2.Check the result badge: it reports whether the ranges overlap and, if so, the exact intersecting range.
  • 3.Use the intersecting range directly as a tighter version constraint if you need both original ranges satisfied at once.

Frequently asked questions

What range syntax does this support?
The same caret (^), tilde (~), comparison-operator (>=, <=, >, <, =), exact-version syntax as the Semver Calculator, combined with space-separated AND logic or || for OR.
What does it return when the ranges don't overlap?
A result showing overlaps: false and a null intersection, meaning no single version can satisfy both ranges at once.
Does it support hyphen ranges or x-ranges like 1.2.x?
No, only the operators listed above. A range using unsupported syntax returns an error instead of a silently wrong answer.
Is my version data sent anywhere?
No, the intersection is computed entirely in your browser (or in your own process via the SDK/API), with nothing uploaded.

Use via API, SDK, or MCP

cURL# Free: 1,000 req/day · Pro: 10,000 req/day
curl -X POST https://api.utilix.tech/v1/tools/semver-range-intersection \
  -H "Authorization: Bearer utx_live_..." \
  -H "Content-Type: application/json" \
  -d '{"rangeA":"^1.2.0","rangeB":">=1.5.0 <2.0.0"}'

Get an API key from your dashboard · Full API docs →

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