Privacy Policy

ExpatCalc is a non-commercial personal hobby project operated from Hungary. We try to keep the amount of personal data processed to a minimum.

Who operates this website

Site operator: Private individual hobby operator based in Hungary
Contact email: expatexchanges@gmail.com
Address: Not publicly disclosed for this non-commercial personal hobby project. Please contact by email.

If this project later becomes commercial or professional in nature, this policy should be reviewed and expanded before that change goes live.

Information we process

• Technical request data such as IP address, browser type, device information, and server logs.
• Calculator inputs you choose to enter, such as salary values and tax-related options.
• Preference data stored on your device, such as dark mode and saved calculator history.

Why we process information

• To deliver the website and its calculator features.
• To remember settings and improve usability.
• To maintain service security, diagnose errors, and prevent abuse.
• To comply with legal obligations where applicable.

Legal bases where GDPR or UK GDPR applies

• Legitimate interests for operating, securing, and improving the service.
• Performance of a user-requested service when processing is necessary to provide the calculator.
• Consent for any non-essential cookies or similar technologies, if added in the future.
• Legal obligation where processing is required by law.

Cookies and device storage

The site currently uses browser storage for core functionality such as visual preferences and saved history. The details are described in the Cookies notice.

Sharing

We may share data with infrastructure providers that host or secure the website, including Vercel as the hosting platform. We do not state that we sell personal data, run ads, or use the site for current revenue generation. If that changes, this policy should be updated before the change goes live.

Retention

• Browser-stored preferences remain until you clear them or overwrite them.
• Server-side logs may be retained for security, troubleshooting, and operational reasons.
• We try not to keep calculator input data longer than necessary for the service to work.

Your rights

Depending on your location, you may have rights to request access, correction, deletion, restriction, objection, portability, or withdrawal of consent where consent is used.

International transfers

Because this site is available online and uses third-party infrastructure, data may be processed in countries other than your own. Where required, appropriate safeguards should be used.

Children

This website is intended for general audiences and is not knowingly designed to collect personal data from children.

Changes

We may update this policy from time to time. The effective date at the top of this page shows the latest version published on the site.