Free IBAN Checker – Check Any IBAN Online

Check any IBAN online for free. Enter an IBAN to validate its country format, length, structure, and check digits according to ISO 7064 (Mod 97).

The IBAN validation is performed exclusively in accordance with the international standard ISO 7064. No data is stored or shared with third parties.

✅ Your Benefits at a Glance

  • Validation according to ISO 7064 (Mod-97-10)
  • Instant feedback on validity
  • No data storage, full GDPR compliance
  • Supports all SEPA and international IBANs
  • Perfect for accounting, finance & developers

🔐 Guaranteed Data Protection

Our tool does not store your input. Protecting your banking information is our top priority.

How Do You Check an IBAN Number?

To check an IBAN number, enter the complete IBAN above. The checker validates the country-specific format, length, structure, and check digits and then shows the result immediately.

1. Input

Enter your IBAN – we automatically detect the country code.

2. Calculation

The check digits are calculated and validated according to ISO 7064.

3. Result

You receive immediate, clear feedback on whether the IBAN is valid.

What Is an IBAN and What Is the Check Digit For?

The IBAN (International Bank Account Number) is a standardized international bank account format. Every IBAN includes a two-digit check number calculated using a mathematical algorithm. This helps detect typos and avoid misdirected transfers.

Our tool validates the IBAN structure and check digits for all countries participating in the IBAN system – including Germany, Austria, Switzerland, the Netherlands, Italy, Spain, and many more.

What an IBAN check can and cannot confirm

What it confirms

  • The country-specific IBAN length and structure
  • The check digits according to ISO 7064 (Mod-97-10)
  • Whether the submitted value is technically plausible

What it does not confirm

  • That a bank account currently exists
  • That the account belongs to a particular person or company
  • That a transfer will be accepted by the recipient bank
Browse IBAN formats by country Read IBAN guides Check a BIC or SWIFT code

❓ Frequently Asked Questions (FAQ)

Which IBANs can I check?

All IBANs from SEPA countries and many international IBANs – such as from the UK, Switzerland, or the Netherlands.

Is my input stored?

No. Your IBAN is only processed and is not stored or analyzed.

What happens with an invalid IBAN?

You’ll receive immediate feedback. Most likely, the check digits are incorrect or the length doesn’t match the standard of the respective country.