IBAN Validator
Verify any IBAN instantly — check format, country code, check digits, and BBAN structure. Free, no account needed.
Enter an IBAN above to start validation
We check format, length, country code, check digits, and BBAN structure
What we check
Format Check
Validating IBAN format and character structure
Length Verification
Checking IBAN length matches country requirements
Country Code
Verifying ISO 3166-1 country code
Check Digits
Validating MOD-97 check digit calculation
BBAN Structure
Verifying bank account number structure
Learn More
Understand IBAN structure, country formats, and how to catch errors before they cause payment failures.
What Is an IBAN?
An International Bank Account Number (IBAN) is a standardized format for identifying bank accounts across borders. Introduced to simplify international payments, IBANs are now mandatory for SEPA transfers within Europe and accepted in over 80 countries worldwide.