All-in-One Tools Collection
A broad collection of online tools for development, AI, design, and productivity tasks.
Showing page 54 of 179 (12 tools on this page)
Strong Password Validator
Validate password strength against common security requirements (uppercase, lowercase, numbers, special chars, length)
Swimming Calorie Calculator
Calculate calories burned while swimming
Training Stress Score Calculator
Calculate Training Stress Score (TSS) for workout intensity and duration
Walking Calorie Calculator
Calculate calories burned while walking
IBAN & SWIFT Validator
Validate International Bank Account Number (IBAN) and SWIFT/BIC codes with checksum verification
Tracking Number Validator
Identify and validate tracking numbers from FedEx, UPS, DHL, USPS, SF Express (顺丰) and other major carriers
UPC/EAN Barcode Validator
Validate GTIN-12 (UPC), GTIN-13 (EAN), GTIN-8, and GTIN-14 product barcodes with check digit verification
US Driver's License Validator
Validate United States driver's license numbers based on state-specific format rules (CA, NY, TX, FL, etc.)
EU VAT Validator
Validate European Union Value Added Tax (VAT) numbers from all EU member states
US EIN Validator
Validate United States Employer Identification Number (EIN) format used for business tax identification
US SSN Validator
Validate United States Social Security Number (SSN) format with area number verification
US ZIP Code Validator
Validate United States ZIP codes including standard 5-digit and ZIP+4 formats