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Dependency License & NOTICE Auditor

Parse package manifests, lockfiles, CycloneDX and SPDX locally, normalize license expressions, apply allow, deny and review policies, and generate a third-party notice draft.

Local metadata review, not legal advice
The tool never installs dependencies or guesses missing licenses. Classification is an initial review aid and must be confirmed by the responsible reviewer.

Up to 20 files, 30 MB total, 50,000 components and 5,000 findings.

SPDX policy

Enter exact SPDX IDs or expressions separated by commas or lines. Deny takes precedence.

About Dependency License & NOTICE Auditor

Turn package metadata into a reviewable SPDX policy report. Parse package manifests, lockfiles, CycloneDX and SPDX locally, normalize license expressions, apply allow, deny and review policies, and generate a third-party notice draft. The core workflow is designed to run in your current browser.

Key capabilities

  • Read package.json, npm, pnpm, Yarn, CycloneDX and SPDX inputs
  • Validate SPDX expressions and apply explicit allow, deny and review rules
  • Deduplicate components and aggregate licenses, categories and status
  • Generate a reviewable THIRD_PARTY_NOTICES Markdown draft

Useful for

  • Review dependency licenses before distributing a release
  • Inspect supplied SBOM license metadata without installing packages
  • Prepare a third-party attribution and NOTICE review draft

Frequently asked questions

Is Dependency License & NOTICE Auditor free to use online?

Yes. Dependency License & NOTICE Auditor opens in a modern browser and does not require desktop software installation.

What is Dependency License & NOTICE Auditor useful for?

Common use cases include Review dependency licenses before distributing a release; Inspect supplied SBOM license metadata without installing packages.

Is my input or file uploaded?

The core processing workflow is designed to run locally in the browser. Key capabilities include Read package.json, npm, pnpm, Yarn, CycloneDX and SPDX inputs, Validate SPDX expressions and apply explicit allow, deny and review rules, Deduplicate components and aggregate licenses, categories and status; account, comments, and anonymous analytics may still create normal site requests.

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