📮Validators
PT Postal Code Full Validator
Full Portugal postal code validator: ####-### format + district detection (Lisboa, Porto, Coimbra, etc.) based on first 4 digits.
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CPF Validator
Validate Brazilian CPF numbers instantly using the official algorithm. Useful for testing document validation in applications. No data sent to servers.
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Batch CPF Validator
Validate a list of CPFs (one per line) and see which are valid and which are not. No data sent to servers.
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Batch CNPJ Validator
Validate a list of CNPJs (one per line) with a summary of valid, invalid and total. No data sent to servers.