IBAN Validator
NewValidate International Bank Account Numbers (IBANs) using the official ISO 13616 MOD-97 algorithm. Checks the IBAN checksum, validates country code, verifies the correct length for that country, and identifies the bank country. IBANs are used for international wire transfers and SEPA payments across 80+ countries. The validation is fully offline using the mathematical checksum — no bank connection is required.
IBAN Validator
Validate International Bank Account Numbers using the official MOD-97 checksum algorithm.
How to Use IBAN Validator
- 1Enter or paste an IBAN number
- 2View validation result instantly
- 3Check detected country and expected length
- 4See the formatted IBAN (groups of 4)
About IBAN Validator
Validate International Bank Account Numbers (IBANs) using the official ISO 13616 MOD-97 algorithm. Checks the IBAN checksum, validates country code, verifies the correct length for that country, and identifies the bank country. IBANs are used for international wire transfers and SEPA payments across 80+ countries. The validation is fully offline using the mathematical checksum — no bank connection is required.
Your Privacy is Protected
IBAN Validator runs entirely in your browser. Your files and data are never uploaded to any server, never stored, and never shared. Everything happens locally on your device using secure browser APIs.
Frequently Asked Questions
What is an IBAN?
IBAN (International Bank Account Number) is a standardized way to identify bank accounts internationally. It contains a country code, check digits, and a basic bank account number (BBAN).
Why Use This Tool?
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