This library was designed to help developers mask and validate the new CNPJ format, which will begin to be implemented in Brazil in July 2026.
Brazil’s company registration system is changing starting in July 2026. This library will help you stay compliant with the new CNPJ format requirements.
All features were developed using JavaScript.
Note: This library is compatible with the numeric CNPJ format.
BSD-3 license (https://opensource.org/licenses/BSD-3-Clause)