Introduction

CalcRocks ("we," "our," or "us") operates the website calcrocks.com. This Privacy Policy explains how we collect, use, and protect information when you visit our site. We are committed to maintaining the privacy and security of your personal information. By using CalcRocks, you agree to the practices described in this policy.

Information We Collect

CalcRocks is designed to be used without creating an account or providing personal information. Here is what we collect:

Calculation History: We store your calculation history locally using a session identifier stored in your browser\'s localStorage. This data is anonymous and not linked to any personal information.
Usage Analytics: We use Google Analytics 4 (GA4) to understand how visitors use our site. This includes anonymized data such as pages visited, time spent on site, device type, browser, approximate geographic location, and referral sources. Google Analytics uses cookies to collect this data.
Cookies and Similar Technologies: Our site uses cookies for analytics (Google Analytics) and advertising (Google AdSense). These cookies help us understand site usage and deliver relevant advertisements.

Google AdSense

We use Google AdSense to display advertisements on CalcRocks. Google AdSense uses cookies and web beacons to serve ads based on your prior visits to our site or other websites. Google\'s use of advertising cookies enables it and its partners to serve ads based on your visit to CalcRocks and/or other sites on the internet. You may opt out of personalized advertising by visiting Google Ads Settings. For more information about how Google uses data when you use our site, visit Google\'s Privacy & Terms.

Google Analytics

We use Google Analytics 4 to collect anonymous usage statistics. This helps us understand which calculators are most popular, how users navigate the site, and where we can improve the experience. Google Analytics may collect your IP address, but it is anonymized before storage. You can opt out of Google Analytics by installing the Google Analytics Opt-out Browser Add-on.

How We Use Information

To provide and maintain our calculator tools
To understand how our tools are used and improve the user experience
To display relevant advertisements through Google AdSense
To detect, prevent, and address technical issues

Data Retention

Calculation history is stored in your browser\'s local session and in our database linked only to an anonymous session ID. You can clear your calculation history at any time using the "Clear History" button in any calculator. Analytics data is retained according to Google Analytics\' default retention settings.

Third-Party Services

CalcRocks integrates with the following third-party services, each with their own privacy policies:

Google Analytics — Website analytics
Google AdSense — Advertisement display

Children\'s Privacy

CalcRocks does not knowingly collect personal information from children under 13. Our calculators are educational tools suitable for all ages, but we do not target our services to children. If you believe a child has provided us with personal information, please contact us so we can take appropriate action.

Your Rights

You have the right to: clear your calculation history at any time, opt out of Google Analytics tracking, opt out of personalized ads via Google Ads Settings, and contact us with any privacy concerns. Since we do not collect personal information beyond anonymous session data, there is no personal data to request deletion of.

Changes to This Policy

We may update this Privacy Policy from time to time. Any changes will be posted on this page with an updated revision date. We encourage you to review this page periodically.

Contact Us

If you have questions or concerns about this Privacy Policy, please reach out via our Contact page.