Converters tool
IBAN Validator
Validate International Bank Account Numbers and extract bank and country information.
Validate IBAN numbers instantly with country detection, formatting, and checksum verification. Free, private IBAN checker.
Validation is performed entirely in the browser using the ISO 13616 checksum algorithm.
Why people use this tool
IBAN Validator checks whether an International Bank Account Number is valid by verifying its length, country code, and checksum — all processed locally in your browser.
- Verify IBAN numbers before initiating international bank transfers.
- Validate customer or vendor IBANs in accounting or invoicing workflows.
- Check IBAN formatting for compliance in financial software development.
How to use it
- 1Enter or paste an IBAN number.
- 2The tool instantly validates the checksum, country, and length.
- 3Review whether the IBAN is valid and see the formatted version.
FAQ
Helpful answersWhat is an IBAN?
An International Bank Account Number (IBAN) is a standardized format for identifying bank accounts across borders. It is used in over 70 countries.
How does validation work?
The tool checks the country code, verifies the length matches the expected format for that country, and computes the ISO 13616 checksum.
Which countries are supported?
The tool supports IBAN formats for all countries in the IBAN registry, including EU, UK, Middle East, and many others.