IBAN Validator
Paste an IBAN to validate the checksum, identify the country, and see it formatted in standard 4-digit groups.
100% client-side · no upload
Country
Length
Formatted
How to use
- Paste or type an IBAN into the input field above (spaces are ignored).
- The tool validates the ISO 7064 MOD-97-10 checksum and checks the expected length for the country.
- Results show validity, country, character count, and the formatted IBAN.
Related format tools
- VAT Number Validator — validate EU VAT numbers
- Credit Card Formatter — format card numbers and detect type
- Money Formatter — format amounts with currency symbols
Preguntas frecuentes
- Is the IBAN validator free?
- Yes, completely free with no signup and no usage limits.
- Does my IBAN data leave my device?
- No. All validation runs in JavaScript inside your browser. Nothing is sent to any server.
- Does it work on mobile?
- Yes. The tool is mobile-first and works on iPhone Safari and Android Chrome.