Contact Form 7 CPF/CNPJ Validations is a free utility plugin designed for WordPress sites that enhances the functionality of Contact Form 7 by providing simple and effective validation for CPF and CNPJ fields. This plugin ensures that forms generated using Contact Form 7 can accurately validate Brazilian CPF (Cadastro de Pessoas Físicas) and CNPJ (Cadastro Nacional da Pessoa Jurídica) numbers through the use of specific CSS classes. Users can easily implement these validations without disrupting the layout of their websites.

The plugin operates non-intrusively, meaning it does not alter existing form structures. To utilize its features, users simply need to apply the designated CSS classes—cf7cpfcnpj-cpf for CPF validation and cf7cpfcnpj-cnpj for CNPJ validation—within their Contact Form 7 configurations. This straightforward setup allows for efficient field validation, enhancing user experience and ensuring data accuracy.