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IBAN Validator

Validate International Bank Account Numbers with structure breakdown and check digit verification

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About This Tool

The IBAN Validator checks International Bank Account Numbers for correctness. It verifies the country code, check digits using the MOD 97 algorithm, and the overall length according to country-specific IBAN formats. The tool also provides a detailed structure breakdown showing the country code, check digits, bank code, and account number components.

Key Features

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Use Cases

iban banking validation finance

Frequently Asked Questions

What is the IBAN Validator?

The IBAN Validator is an online tool that validates International Bank Account Numbers. It checks the format, length, and check digits using the MOD 97 algorithm, and displays a detailed structure breakdown.

Is the IBAN Validator free to use?

Yes, the IBAN Validator is completely free to use. There are no hidden charges, subscriptions, or limitations.

How does IBAN validation work?

IBAN validation uses the MOD 97 algorithm. The IBAN is rearranged by moving the country code and check digits to the end, letters are converted to numbers (A=10, B=11, etc.), and the resulting number is divided by 97. If the remainder is 1, the IBAN is valid.

Is my data safe when using the IBAN Validator?

Absolutely. All processing happens locally in your browser. No IBAN data is uploaded to any server, ensuring your information remains completely private and secure.

Which countries are supported?

The IBAN Validator supports all countries that use the IBAN system, including all EU member states, the United Kingdom, Switzerland, Norway, and many others across Europe, the Middle East, and beyond.