CNH Generator and Validator
Generate valid CNHs (National Driver's License) for testing or validate existing CNHs
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About CNH
CNH (Carteira Nacional de Habilitação) is the document that authorizes a person to drive motor vehicles. It has 11 numeric digits that include check digits calculated by a specific algorithm.
This tool generates CNHs that are mathematically valid, but do not represent real documents. Use only for software testing, development and staging.
Frequently Asked Questions
CNH (National Driver's License) is the document that authorizes citizens to drive vehicles in Brazil. It is issued by each state's DETRAN.