Privacy policy
What data is used and how to control it.
The values you type into the calculators stay in your browser. We neither send nor store them.
Your favourites and cookie choices are kept in your browser’s local storage. You can clear them at any time.
If you accept, Google AdSense shows ads. Google and its partners may then use cookies. Learn more: https://policies.google.com/technologies/partner-sites
If you refuse, no ads are loaded and every tool stays available.
To exercise your rights (access, deletion, objection): [email protected].
- Data controller
- NMA — 78310 Maurepas, France. [email protected]
- Purposes and legal basis
- Calculator inputs are processed locally in the browser to show a result. The cookie preference and favourites support the features requested by the visitor. Infrastructure security relies on the publisher’s legitimate interest.
- Retention
- Calculator inputs are not retained by the site. Favourites remain on the device until deleted by the visitor. The cookie choice expires after six months. Security logs, if created for an incident, are limited to 30 days.
- Recipients and transfers
- OVH SAS provides technical hosting. The currency tool connects the visitor’s browser directly to Frankfurter for exchange rates. Advertising remains disabled until a certified consent platform is configured.
- Your rights
- You may request access, correction, deletion, restriction, objection or portability by writing to [email protected].
- Complaint
- If you are in the European Union, you may lodge a complaint with your local data-protection authority. In France, this is the CNIL: cnil.fr/fr/plaintes.