IBAN Validator
Validates an International Bank Account Number using the ISO 7064 mod-97 checksum and identifies its country and check digits.
| Formatted | GB29 NWBK 6016 1331 9268 19 |
| Country | GB (United Kingdom) |
| Check digits | 29 |
| Length | 22 characters |
IBAN Validator — Free Online Tool
Validates an International Bank Account Number using the ISO 7064 mod-97 checksum and identifies its country and check digits.
How to use the IBAN Validator
- Open the tool above — it runs entirely in your browser, so your input never leaves this page.
- Paste or type your input into the field, then press the relevant button (e.g. Encode / Decode, Generate, or Convert).
- Copy the result from the output area with the copy button orCtrl/Cmd + C.
- No signup, no upload, and no tracking — repeat as often as you need.
Frequently asked questions
Is the IBAN Validator free to use?
Yes. The IBAN Validator is completely free, with no signup, no ads inside the tool, and no hidden limits.
Does the IBAN Validator upload my data?
No. The IBAN Validator processes everything locally in your browser. Your input is never sent to a server, so it stays private even on shared devices.
Does the IBAN Validator work offline?
After the page loads, the IBAN Validator runs entirely in your browser, so it keeps working without a network connection.
Free & private — why use this IBAN Validator
The IBAN Validator runs 100% client-side in your browser. Your data is never uploaded to a server, no account is required, and the tool is completely free. It works offline once the page has loaded and is part of a growing collection of privacy-first developer utilities.