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Package Typosquatting Checker

Paste npm or PyPI package names and catch typosquats before they reach your dependency tree, scored locally by edit distance and confusables.

Paste package names to score them.

The scoring is heuristic and the popular list is a fixed snapshot bundled with this page, so a brand new package or a small library is invisible here and a clean name is not proof of safety. A finding means the name reads like a popular package; it is a reason to look twice before installing, not a verdict about anyone's intent. Nothing is installed, downloaded, or sent anywhere.
Options

More regex & cron tools

- SBOM validator (/json/cyclonedx-validator)
- Semver compare (/dev/semver)
- JSON validator (/json/validator)
All regex & cron tools (/dev)

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Canonical HTML: https://nutter.tools/dev/package-typosquatting-checker
Markdown version: https://nutter.tools/dev/package-typosquatting-checker.md
Plain-text version: https://nutter.tools/dev/package-typosquatting-checker.txt
Agent index: https://nutter.tools/llms.txt