CNPJ Validator
Check if a CNPJ number is valid.
About the CNPJ Validator
Check the validity of a CNPJ (National Registry of Legal Entities) number. Ensures the number follows the correct format and mathematical validation rules.
How to Use
Type or paste the CNPJ number. The tool will automatically format and validate the digits, providing immediate feedback.
Disclaimer
The generated data is fictitious and intended solely for testing and educational purposes. Any use is the sole responsibility of the user. Do not use this data to impersonate real persons or for unlawful purposes.