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Tool
CPF Generator & Validator
Generate
Creates a random, fictitious CPF number with correctly computed check digits — useful for filling test forms and fixtures. It is not a real, registered document number.
Your CPF will appear here.
Fictitious number for development and testing only — not a real
CPF.
Validate
Checks whether a CPF's two check digits are mathematically consistent with its base digits. This only verifies the format/checksum — it does not confirm the number is actually registered or belongs to anyone.
Result will appear here.