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Validate Brazil TIN (CPF / CNPJ)

Free online Cadastro de Pessoas FĂ­sicas / Cadastro Nacional da Pessoa JurĂ­dica validator. Instant validation using OECD-compliant rules for Brazil tax identification numbers.

Validation Workspace

Validate CPF / CNPJ

Enterprise checks for Brazil tax identification numbers.

Instant one-by-one format validation

Country

Brazil

Document

CPF / CNPJ format check

Enter a CPF / CNPJ to validate for Brazil

Awaiting input

Paste values with or without separators. Validation also checks a normalized value.

Use a real CPF / CNPJ sample to verify format compliance before filing.

About Brazil TIN (CPF / CNPJ)

The Cadastro de Pessoas FĂ­sicas / Cadastro Nacional da Pessoa JurĂ­dica is the official tax identification number used in Brazil. Format: CPF: 11 digits (XXX.XXX.XXX-XX), CNPJ: 14 digits (XX.XXX.XXX/XXXX-XX)

Valid Examples

  • 123.456.789-09
  • 12.345.678/0001-95

Invalid Examples

  • 123.456.789-00 (Invalid check digits)
  • 12.345.678/0001 (Incomplete)

Common Use Cases

  • Tax filing
  • Banking
  • Employment
  • Legal contracts

Official source: Receita Federal

Frequently Asked Questions

What is a CPF?
CPF (Cadastro de Pessoas FĂ­sicas) is an 11-digit tax ID for individuals in Brazil. Every Brazilian citizen and resident must have a CPF.
How is CPF validated?
CPF uses two check digits calculated from the first 9 digits. Each check digit is computed using a weighted sum and mod-11 algorithm.

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