IBAN Validator

Check if an IBAN (International Bank Account Number) is correctly formatted and structurally valid.

This tool checks the IBAN for correct length, country code, and checksum according to the international standard. It does not check if the account exists.

About This IBAN Validator

This IBAN validator helps you instantly check if an International Bank Account Number is correctly formatted and structurally valid. It verifies the IBAN's length, country code, and checksum using the international standard.

How It Works

  • Enter an IBAN in the input field.
  • The tool checks the IBAN's length, country code, and format.
  • It rearranges the IBAN, converts letters to numbers, and performs a mod-97 checksum.
  • No data is stored or transmitted—validation is 100% local.

Why Use This Validator?

  • Quickly check if an IBAN is likely to be correct before making or receiving payments.
  • Supports all countries that use the IBAN standard.
  • Useful for businesses, individuals, and developers handling international transfers.
  • Helps reduce errors and failed payments due to invalid IBANs.

Frequently Asked Questions

Does this tool check if the bank account exists?

No, it only checks the IBAN's structure and checksum. It cannot verify if the account is open or active.

Is my IBAN sent or stored anywhere?

No, all validation is performed locally in your browser. Your IBAN is never sent or saved.

What countries are supported?

The validator supports IBANs from all countries that use the IBAN standard. It checks the country code and length for validity.

Can I use this for business payments?

Yes, this tool is helpful for businesses to reduce errors in international transfers by validating IBANs before sending payments.