Validators
Validate Brazilian documents and payment cards locally in your browser — CPF, CNPJ (numeric and 2026 alphanumeric), PIS/PASEP, CNH, RG (SSP-SP), Título de Eleitor, RENAVAM, Inscrição Estadual and credit cards (Luhn). Nothing is uploaded.
CPF Validator
Check whether a CPF has valid check digits.
CNPJ Validator
Validate numeric and 2026 alphanumeric CNPJs.
Credit Card Validator
Check a card number with the Luhn algorithm.
PIS/PASEP Validator
Check a PIS/PASEP check digit locally.
CNH Validator
Validate a CNH registration number.
RG Validator (SSP-SP)
Validate a São Paulo RG check digit.
Voter ID Validator
Validate a Brazilian voter registration.
RENAVAM Validator
Validate a RENAVAM check digit.
Inscrição Estadual Validator
Validate a state tax registration for any UF.