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DOCUMENTS AND VALIDATION · Useful tools.
31 DOCUMENTS AND VALIDATION tools. Compare options and choose a generator, converter or calculator for your task.
DOCUMENTS AND VALIDATION
Generate test identifiers and check formats and check digits of Brazilian documents. Mathematical validation does not query official records or prove ownership.
CPF generator
Generate Brazilian CPF numbers with valid check digits to test forms, input masks and validation rules.
Open toolCNPJ generator
Generate numeric Brazilian CNPJ numbers with valid check digits, with or without punctuation.
Open toolState registration generator
Generate Brazilian state registration test numbers with state-specific check digits. Choose any of the 27 federal units.
Open toolCPF validator
Validate Brazilian CPF format and both check digits. Check up to 100 numbers per batch without querying tax records.
Open toolCNPJ validator
Validate Brazilian CNPJ format and check digits in your browser. Check batches without looking up business registration status.
Open toolRG validator
Check Brazilian RG identity number check digits using the SSP-SP model. Validate batches without querying identity records.
Open toolCNH validator
Check Brazilian CNH driving licence format and check digits. Run batch mathematical validation without querying driver records.
Open toolPIS/PASEP validator
Validate Brazilian PIS/PASEP format and check digits. Check up to 100 numbers at once without querying employment records.
Open toolRenavam validator
Check Brazilian Renavam vehicle registration format and check digits. Validate batches without querying vehicle records or status.
Open toolVoter registration validator
Validate Brazilian voter registration number format and check digits locally without querying electoral records.
Open toolState registration validator
Validate Brazilian state registration format and check digits for the selected state without querying SEFAZ registration status.
Open toolCard number validator
Check credit card number format and Luhn validation for testing. This does not check balances, ownership or payment authorization.
Open toolRG generator
Generate synthetic Brazilian RG numbers with SSP-SP check digits to test identity form fields and input masks.
Open toolCNH generator
Generate Brazilian CNH numbers with calculated check digits. Create synthetic batches to test driving licence forms.
Open toolPIS/PASEP generator
Generate synthetic Brazilian PIS/PASEP numbers with check digits for testing employment form fields and validation rules.
Open toolRenavam generator
Generate synthetic Brazilian Renavam numbers with check digits to test vehicle registration forms and validation rules.
Open toolVoter registration generator
Generate synthetic Brazilian voter registration numbers for testing input masks and electoral form check digits.
Open toolLicense plate generator
Generate fictional licence plates for Brazil, Texas in the United States or Spain. Choose a country and copy the numbers for testing.
Open toolVehicle generator
Generate fictional vehicles from Brazil, the US or Spain with VIN, plate, year and color. Brazilian Renavam is included only for Brazil.
Open toolBrazilian postal code generator
Generate Brazilian test postal codes by state, with or without a hyphen. Local browser processing without sending form values to external services.
Open toolBrazilian certificate number generator
Generate 32-digit civil certificate numbers by type, year and Brazilian state. Sample CNS codes, four book types and local batches without data uploads.
Open toolBrazilian certificate number validator
Check the check digits of 32-digit Brazilian certificate registration numbers. Mathematical validation without querying registry offices.
Open toolBrazilian CNS test number generator
Generate definitive and provisional Brazilian CNS test numbers with 15 digits and mathematical checks in your browser.
Open toolAlphanumeric CNPJ generator
Generate fictional alphanumeric CNPJ numbers using the Brazilian revenue service ASCII-minus-48 check digit algorithm.
Open toolCNPJ branch generator
Generate headquarters and branch CNPJs sharing one root with sequential branch orders and check digits, without external queries.
Open toolFictional CTPS generator
Generate fictional physical CTPS details or digital CTPS identification by CPF with number, series and state for form testing.
Open toolFictional Brazilian passport generator
Generate Brazilian passport test numbers with two letters and six digits without issuing or looking up any documents.
Open toolCNJ case number generator
Generate 20-digit CNJ test case numbers with modulo-97 check digits, judicial branch, year, court and origin-unit controls.
Open toolFictional tracking code generator
Generate fictional tracking codes for logistics tests with Correios/S10 or illustrative carrier formats, locally in your browser.
Open toolMotorcycle plate generator
Generate fictional motorcycle plates in Mercosur and legacy formats with a state label for your test scenario and configurable quantity.
Open toolVisual plate generator for mockups
Create an illustrative plate PNG with Mercosur or legacy styling, vehicle category and optional custom plate text for mockups.
Open toolA toolbox for people who build.
Explore people and document generators, validators, text converters, calculators and development utilities. Each page explains how to use its tool and interpret the result. Generators create synthetic test data; validators check mathematical rules rather than replacing official record lookups.