About this Generator
This tool generates valid Brazilian CNPJ numbers that comply with the official format requirements.
The generator creates CNPJs following the official structure, including proper business unit identifiers and valid check digits.
Generated CNPJs are for testing purposes only. While they follow the correct format and pass validation checks, they are not officially registered numbers.
About Brazilian CNPJ Generator
Generated Number Features: • 14-digit format • Valid business unit codes • Proper check digits • Standard formatting
Technical Details: • Check digit algorithm • Business unit validation • Format compliance checks • Numerical range validation
To verify an existing CNPJ number, you can use our Brazilian CNPJ Verifier