This Privacy Policy describes how SmartStockCalcs ("we", "us") collects, uses and protects information when you visit our website. By using the site you consent to the practices described here.

Information We Collect

Automatically collected:

  • IP address
  • Browser type and version
  • Device information (operating system, screen size)
  • Pages visited and time spent
  • Referring website

Provided by you:

  • Information submitted through our contact form (name, email, subject, message — all but message are optional)
  • Cookies (see Cookies section)

Not collected: The numbers you enter into our calculators never leave your browser. All calculation is performed locally in JavaScript.

How We Use Your Information

  • To provide and improve our calculation tools and content
  • To analyze website traffic patterns (aggregate, not personal)
  • To respond to or learn from feedback (when applicable)
  • To prevent fraud and abuse

Information Sharing

We do not sell, trade, or rent your personal information. We may share information with:

  • Google Analytics — anonymized traffic analytics
  • Google AdSense — advertising delivery (uses cookies/identifiers)
  • Legal authorities — when required by law

Cookies

We use cookies for:

  • Essential cookies — session/CSRF (required for site to function)
  • Analytics cookies — Google Analytics (optional, gated by your consent)
  • Advertising cookies — Google AdSense (optional, gated by your consent)

You can manage your consent at any time via the cookie banner. You can also disable cookies in your browser settings, but some site features may not work.

GDPR Rights (EU Users)

If you are in the EU/EEA you have the right to access, correct, delete or restrict processing of your personal data, and to object to processing or request data portability. Contact us to exercise these rights.

CCPA Rights (California Users)

California residents have the right to know what personal information is collected, whether it is sold (we do not sell it), to access their information, and to opt out of sale or disclosure. Contact us to exercise these rights.

Children's Privacy (COPPA)

This website is not directed at children under 13 and we do not knowingly collect personal information from children under 13. If you believe we have collected information from a child under 13, please contact us and we will delete it.

Data Retention

  • Contact form submissions: 6 months
  • Analytics data: 26 months (Google Analytics default)
  • Server logs: 90 days

Security

We implement reasonable security measures (HTTPS, security headers, restricted admin access) to protect your information. However, no method of transmission over the internet is 100% secure.

Changes to This Policy

We may update this Privacy Policy from time to time. The "Last updated" date at the top reflects when this policy was last revised.

Contact

For questions about this Privacy Policy, please use our contact page.