📄 Document Validator

Validate Brazilian documents quickly and accurately. Support for CPF, CNPJ, RG, CEP and Voter ID.

Document Type

Document Number

How does it work?

Our validator checks document authenticity using official validation algorithms:

CPF: Validation by check digits according to Federal Revenue
CNPJ: Verification using official Federal Revenue algorithm
RG: Basic format and structure validation
CEP: Standard Post Office format verification
Voter ID: Validation according to TSE

Important: This tool only validates the mathematical structure of documents. To verify if a document is actually active or belongs to a specific person, consult the appropriate official agencies.