IBAN Validator

Calculate and validate IBAN numbers from country, bank, and account details instantly.

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About This Tool

This IBAN Calculator tool allows you to generate a valid International Bank Account Number (IBAN) by entering the country code (e.g., DE for Germany), bank code, and account number. It performs real-time validation and calculates the correct check digits according to ISO 13616 standards, ensuring the IBAN is formatted properly for international transactions. The tool is fully client-side, secure, and works without sending data to any server.

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How to Use

Select your country from the dropdown or enter the two-letter country code (e.g., DE, FR, GB).
Enter the bank code (also known as sort code or routing number) for your financial institution.
Enter your account number (without spaces or special characters).
Click the 'Calculate IBAN' button to generate the full IBAN.
View the result, which includes the formatted IBAN and validation status.

Frequently Asked Questions

Find Quick Answers

What is an IBAN?

An IBAN (International Bank Account Number) is a standardized international numbering system used to identify bank accounts across borders. It includes a country code, check digits, and the domestic bank account number.

Is this tool secure?

Yes, all calculations are performed entirely in your browser (client-side). No data is sent to any server, ensuring your financial information remains private.

Which countries are supported?

The tool supports all IBAN-format countries (e.g., Germany, France, United Kingdom, Spain, Italy). The country dropdown includes a comprehensive list of valid two-letter codes.

Can I validate an existing IBAN?

This tool focuses on generating IBANs from components. For validation of existing IBANs, you would need a separate validator tool that checks the structure and check digits.

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