IBAN Validator

Privacy Policy

1. What we store

We store two things only, both locally in your browser:

  • Language preferencesaved as a cookie named NEXT_LOCALE for 1 year, so the site opens in your chosen language next time.
  • Theme preferencesaved in localStorage under the key theme (dark or light).

Neither value is ever sent to our servers. No account is required. No email, name, IP address, or financial data is collected.

2. What we do NOT store

We do not collect, log, or transmit:

  • Any IBAN numbers you validate
  • Any card numbers you validate
  • Your IP address
  • Your device or browser fingerprint
  • Any analytics or tracking data from our own systems

3. Google Ads

This site displays ads served by Google Ads (Google LLC, 1600 Amphitheatre Parkway, Mountain View, CA 94043, USA). Google may set its own cookies to personalise ads based on your browsing history. Google's Privacy Policy. You can manage ad personalisation at google.com/settings/ads.

4. Cookies summary

NamePurposeStored byExpires
NEXT_LOCALELanguage preferenceBrowser (this site)1 year
themeDark / light modelocalStorage (this site)Persistent
Google AdsAd personalisationGoogle LLCVaries

5. Your rights

You can clear NEXT_LOCALE and theme at any time via your browser's settings (Clear cookies / Clear site data). There is nothing else to delete because we hold nothing else.

6. Changes

We may update this policy. The current version is always available at this URL.

7. Contact

Questions? Contact us.

IBAN & Card Validator

Free, private, instant bank tools.

What we store

Language preference is saved in a cookie (NEXT_LOCALE). Light/dark theme is saved in localStorage (theme). Nothing else — no data is sent anywhere.

This site uses Google Ads to stay free.

© 2026 IBAN & Card Validator. All rights reserved.