IBAN Validator
Validate IBAN bank account numbers using ISO 7064 MOD-97-10 checksum verification and country-specific length rules. Free, instant, client-side.
100% client-side · no upload
How to use
- Paste or type an IBAN into the input field above (spaces are ignored).
- Click Validate — the tool checks the ISO 7064 MOD-97-10 checksum and the expected length for the country.
- Results show validity, country, character count, and the formatted IBAN.
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Frequently Asked Questions
- 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.
Last updated: By jarvisbox