Privacy Policy

Last updated: 2026-04-24

Who we are

CalcStudio Pro ("we", "us") is an independent publisher of free professional calculators accessible at calcstudiopro.com.

What data we collect

We don't require accounts. You can use every calculator without signing up.

We collect minimal data:

  • Technical data: IP address (anonymized), user agent, pages visited, time on page. Used only for analytics and security.
  • Analytics: if you consent, Google Analytics 4 tracks anonymous usage to help us improve calculators. IP is anonymized at collection.
  • Calculator inputs: values you enter stay in your browser. We never send them to our servers. Share URLs encode values in the URL only if you click Share.

Cookies we use

Cookie Purpose Category Retention
cookie-consent-v1 Stores your cookie preferences Essential 1 year
_ga, _ga_* Google Analytics 4 — anonymous usage Analytics (optional) 2 years

You can accept, reject, or customize cookies anytime via our cookie banner. Rejected cookies are blocked before firing.

Legal basis (GDPR)

  • Essential cookies: legitimate interest (Art. 6(1)(f) GDPR) — required for site functionality.
  • Analytics cookies: your explicit consent (Art. 6(1)(a) GDPR) — via the cookie banner.

Your rights

Under GDPR you have the right to:

  • Access your data
  • Correct inaccurate data
  • Request deletion
  • Object to processing
  • Withdraw consent
  • Lodge a complaint with your data protection authority

To exercise any right, email privacy@calcstudiopro.com.

Data sharing

We use Google Analytics (Google Ireland Ltd.) as a data processor. Data is anonymized at collection and processed within the EU where possible.

We do not sell data. We do not share data with advertisers beyond Google's standard analytics.

Data retention

Analytics data is retained for 26 months as per GA4 default. Cookie consent preferences for 1 year.

Children

Our calculators are intended for general audiences. We don't knowingly collect data from children under 16.

Changes to this policy

We may update this policy. Material changes will be announced on the homepage for 30 days. The "Last updated" date above is always current.

Contact

For any privacy question: privacy@calcstudiopro.com