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HSN-Code-Package
Zero-dependency HSN and SAC code lookup and India GST toolkit, on npm as hsn-code-package.
What it does
npm package without runtime dependencies that bundles 12,604 Indian HSN codes and 496 SAC codes, chapter-level GST rates from CBIC Notification 09/2025-CT(Rate), GST calculation helpers, GSTIN and PAN validation, a GSTR-1 summary and an hsn command line tool. Needs Node.js 14 or later. ISC; the README says the rates are a chapter-level convenience to verify against the official notification.
Where it fits on the map
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Maintain this project?
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