IBAN Validator Online - Check and Parse an IBAN
Normalize an IBAN, validate its basic structure and MOD 97 checksum, and display country and check digits.
About this tool
Spaces are removed and letters are uppercased. The tool checks a general IBAN pattern and computes the international MOD 97 remainder locally.
How to use
- Enter the value in the format described by the tool.
- Run the conversion or calculation in your browser.
- Review and copy the generated result.
Features
- Whitespace normalization.
- MOD 97 checksum validation.
- Country and check-digit extraction.
Common use cases
- Catch transcription errors in an IBAN.
- Normalize an IBAN before storage.
- Inspect country and checksum fields.
Common issues and tips
- A valid checksum does not prove that an account exists or can receive funds.
- The tool does not enforce every country-specific bank and branch format.
Privacy
Processing runs locally in your browser. Input is not uploaded to Tools12345.
Frequently asked questions
Does a valid result confirm the bank account?
No.
Are spaces allowed?
Yes, they are removed.
Is country-specific validation included?
Only the country code is extracted; detailed national structure is not checked.