Test Brazilian systems with safer fictional data

CPF GeneratorGenerate fictional CPFs with valid check digits for form testing; the numbers do not identify people or query Brazilian authorities. CNPJ GeneratorGenerate numeric or alphanumeric CNPJs for testing and export the results in the available formats. Name GeneratorCreate multiple fictional names for forms, prototypes, and tests, with copy and export actions. Nickname Generator - GamesChoose categories and generate fictional game names from the lists available in each language. Fake Persona GeneratorCreate fictional personas with combined demographic and profile fields for product and QA scenarios. Company GeneratorBuild fictional company profiles with combined fields for prototypes, registration flows, and software tests. Business Name GeneratorCombine industry terms into fictional legal-name suggestions without checking registration or availability. Test Data GeneratorGenerate configurable fictional records in batches and export JSON or CSV for system testing. Fake Address GeneratorBuild fictional addresses in batches for forms, staging, and development without using real data. QR Code GeneratorTurn text or a URL into a QR Code to copy or download; review its content before sharing.

CPF ValidatorCheck the format and verification digits of one or multiple CPFs and identify invalid sequences. CNPJ ValidatorValidate numeric and alphanumeric CNPJs by format and verification digits, including batch input. IP Address ValidatorCheck whether an IP address has a valid format before using it in tests or configurations.

JSON Formatter & ValidatorFormat, minify, and validate JSON in the browser, with a tree view for inspecting its structure. UUID GeneratorGenerate UUIDs in batches in the browser for tests, temporary identifiers, and fictional data. Regex TesterTest regular expressions against text and inspect matches, groups, and replacements in the browser. Hash GeneratorCalculate MD5, SHA-1, and SHA-2 hashes in the browser; hashing is not encryption or secure password storage. Base64 Encode / DecodeEncode text as Base64 or decode valid input; Base64 does not protect or encrypt data.

Subnet CalculatorCalculate mask, network, broadcast, host range, and capacity from an IPv4 address and CIDR prefix. CIDR to Subnet Mask ConverterConvert prefixes and subnet masks to quickly inspect an IPv4 network representation. VLAN CalculatorCalculate and organize VLAN information for network studies and basic planning. Validate MAC AddressGenerate or validate MAC address format and check a limited OUI identification that may be missing or outdated. Generate IPV6Generate IPv6 addresses for form tests, validation, and networking scenarios.

Currency ConverterEstimate conversions with daily indicative rates from ExchangeRate-API; fees, taxes, and commercial quotes are excluded. Convert MeasurementsConvert length, mass, capacity, volume, time, and temperature between the available units.

CalculatorPerform basic arithmetic operations in a simple calculator for quick checks. Compound Interest CalculatorSimulate compound interest with contributions, term, and an annual rate converted to an equivalent monthly rate. Financing SimulatorCompare SAC and Price payment estimates without APR/CET, insurance, fees, or a credit offer. Severance CalculatorEstimate basic severance amounts with simplified assumptions; it does not replace professional payroll advice. PT Character CounterCount characters and words in text to review limits for fields, content, and publications.

Password GeneratorGenerate random passwords at simple, moderate, or complex levels and copy the result in one click. Password Strength TestEstimate password strength from local length and character-variety criteria; it cannot guarantee attack resistance. Number DrawDraw numbers within a selected range and produce a result with a verification record. Name DrawPaste a participant list, draw names, and export the draw result.

KeywordsCombine a term with modifiers to create keyword and question ideas; it does not query search volume or use AI. PT CTA GeneratorCombine call-to-action templates with the supplied context; the output does not predict conversions or performance. Instagram Bio GeneratorBuild bio suggestions from supplied fields and predefined templates, ready to review and copy. Link GeneratorCreate a public page of custom links and edit it with the private token supplied by the tool.