Workspace 03 · 25 tools
Test Data & Validators tools
Generate fixtures, validate identifiers and inspect common development payloads.
JSON Formatter
Format raw JSON payloads for readability.
Open toolDeveloperJSON Validator
Validate JSON payload syntax quickly.
Open toolDeveloperUUID Generator
Generate UUIDs in bulk for testing.
Open toolDeveloperTimestamp Converter
Convert Unix timestamps (seconds or milliseconds) and ISO dates.
Open toolDeveloperEpoch Converter
Convert epoch timestamps and ISO dates.
Open toolDeveloperBase64 Encoder
Encode text as Base64.
Open toolDeveloperBase64 Decoder
Decode Base64 strings.
Open toolDeveloperURL Encoder
Encode URL/query parameters.
Open toolDeveloperURL Decoder
Decode URL-encoded text.
Open toolDeveloperMD5 Generator
Generate MD5 hashes from text.
Open toolDeveloperSHA-256 Generator
Generate SHA-256 hashes from text.
Open toolDeveloperPassword Generator
Generate secure passwords in bulk with configurable rules.
Open toolDocumentsCPF Generator
Generate mathematically valid CPF values for testing.
Open toolDocumentsCPF Validator
Validate CPF check digits.
Open toolDocumentsCNPJ Generator
Generate mathematically valid CNPJ values for testing.
Open toolDocumentsCNPJ Validator
Validate CNPJ check digits.
Open toolDocumentsCredit Card Generator
Generate mathematically valid test card numbers (Luhn).
Open toolDocumentsCredit Card Validator
Validate card number format and checksum.
Open toolDocumentsIBAN Validator
Validate IBAN values using country-length and mod-97 rules.
Open toolDocumentsVAT Validator
Validate VAT numbers for DE, FR, ES and IT.
Open toolDocumentsSSN Validator
Validate SSN format and known invalid ranges.
Open toolDocumentsChina ID Validator
Validate China Resident ID checksum and date fields.
Open toolDocumentsRandom Identity Generator
Generate random identity records for testing workflows.
Open toolDocumentsFake Address Generator
Generate fake addresses for forms and QA datasets.
Open toolDocumentsFake Email Generator
Generate fake email addresses for testing.
Open toolUse the output with context
Prepare safer fixtures without reaching production data.
Generate synthetic records, validate identifier formats and inspect common payload encodings for QA, staging and development workflows.
- Generate bulk synthetic identities, addresses and test identifiers.
- Validate checksums and known invalid ranges without verifying identity ownership.
- Format, encode, decode and hash common development payloads locally.