HS Code to NCM Converter

About This Tool

The tool provides a backend service that translates HS tariff codes into NCM classifications used in Brazil. It accepts HS input and optional context (region BR or Mercosul) and returns a structured result including the NCM code, NCM description, and optional tariff data. It is designed for integrations with ERP, EDI, WMS, or customs compliance pipelines and supports bulk processing.
Conceptually, the engine relies on a maintained mapping database that pairs HS blocks or full codes with corresponding NCM descriptors. When an exact 8-digit match exists, that mapping is chosen; if not, a best-fit candidate is returned using a similarity metric, with a confidence score and the reason for the match. Outputs are suitable for downstream validation and audit.
Beneficiaries include importers, exporters, customs brokers, and compliance teams who need consistent, auditable classifications for Brazil. The tool reduces manual lookup time, lowers misclassification risk, and supports batch conversions and API-driven workflows. It also preserves versioning of mappings to track tariff changes over time.
Core features and use cases: exact-match lookup, fuzzy matching with explainable confidence, 8-digit NCM output, optional NCM description, and optional duty rate; batch processing; export options (JSON/CSV) for data pipelines. Typical use cases include onboarding new products, updating classifications after tariff changes, and cleansing ERP product lists.

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