✅ Validation
Data validation and testing tools
IBAN & SWIFT Validator
Validate International Bank Account Number (IBAN) and SWIFT/BIC codes with checksum verification
ValidationUPC/EAN Barcode Validator
Validate GTIN-12 (UPC), GTIN-13 (EAN), GTIN-8, and GTIN-14 product barcodes with check digit verification
ValidationUS Driver's License Validator
Validate United States driver's license numbers based on state-specific format rules (CA, NY, TX, FL, etc.)
ValidationUS ZIP Code Validator
Validate United States ZIP codes including standard 5-digit and ZIP+4 formats
ValidationUS EIN Validator
Validate United States Employer Identification Number (EIN) format used for business tax identification
ValidationEU VAT Validator
Validate European Union Value Added Tax (VAT) numbers from all EU member states
ValidationLicense Plate Validator
Validate license plate formats from multiple countries including China, USA, Japan, and more
ValidationUS SSN Validator
Validate United States Social Security Number (SSN) format with area number verification
ValidationPassport Validator
Validate passport numbers from different countries (China, USA, Japan, etc.)
ValidationColor Code Validator
Validate Hex (#FFF, #RRGGBB), RGB/RGBA, HSL/HSLA color code syntax
ValidationSlug Validator
Validate URL slug strings (lowercase letters, numbers, hyphens only, no special characters)
ValidationCron Expression Validator
Validate Linux Crontab定时任务表达式（分 时 日 月 周）syntax
Validation