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RENAVAM Validator (vehicle registration)

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Validate a RENAVAM check digit.

All generated data is fictional and intended for development, testing, QA, prototyping, and automation only. Do not use it for fraud, impersonation, or illegal activity.

Configuration

Output· 5 lines · json
ValidValid RENAVAM.
Formatted
9876543210-3

About this tool

RENAVAM (Registro Nacional de Veículos Automotores) uses a single national mod-11 algorithm: 10 base digits weighted by 3,2,9,8,7,6,5,4,3,2 with one check digit. Since 2013 it is standardized at 11 digits; older 9-digit codes are zero-padded to 11 before checking. Technical validation only.

Example output

{
  "valid": true,
  "reason": "Valid RENAVAM.",
  "Formatted": "9876543210-3"
}

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