Not necessarily. The tool generates mathematical coherence; it does not query registry existence.
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Brazilian Documents
Client-side generators and validators for Brazilian test documents, with privacy and anti-fraud warnings.
3 tools
Brazilian documents for testing, validation and development
This category clearly separates three intents: generating mathematically valid numbers for tests, validating check digits and looking up real registries only when a safe API exists. The current v1 only enables client-side flows, with no registry lookup.
CPF and CNPJ can be personal or business data. These tools therefore avoid URLs, storage and analytics payloads containing typed or generated values; events record only action, status, type and format.
Featured tools in this category
CPF Generator
AvailableGenerate mathematically valid CPF numbers for tests without querying or creating real registrations.
CNPJ Generator
AvailableGenerate check-digit-valid CNPJ numbers for testing and staging environments.
CPF/CNPJ Validator
AvailableValidate Brazilian CPF and CNPJ check digits with local formatting.
Generating is not looking up
A CPF or CNPJ generated here passes the mathematical check-digit rule. That does not prove existence, ownership, registry status or authorization to use it.
- Use only in testing, staging, documentation or controlled automation environments.
- Never use generated data for fraud, account creation, real registrations or identity impersonation.
- Real lookups such as postal codes or registry status require a source, rate limits, cache and dedicated warnings.
How to read check digits
The tools highlight base digits and the final calculated check digits. This helps when building automated tests, form validators or predictable fixtures.
CPF Generator
AvailableGenerate mathematically valid CPF numbers for tests without querying or creating real registrations.
CNPJ Generator
AvailableGenerate check-digit-valid CNPJ numbers for testing and staging environments.
CPF/CNPJ Validator
AvailableValidate Brazilian CPF and CNPJ check digits with local formatting.
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