DocBR - Gerador e Validador CPF/CNPJ is a free Chrome add-on designed to generate and validate CPF and CNPJ numbers according to Brazilian regulations. The tool features a straightforward and user-friendly interface, making it accessible for users who need to handle these documents efficiently. It ensures that the generated numbers comply with the established rules in Brazil, which is essential for legal and administrative purposes.

In addition to generating valid CPF and CNPJ numbers, this add-on also validates existing documents, ensuring that users can verify the authenticity of the numbers they encounter. This dual functionality makes it a practical tool for anyone dealing with Brazilian documentation, whether for personal use or business requirements.