Privacy Policy

1. Introduction

Welcome to Calcura. We respect your privacy and are committed to protecting your personal data. This privacy policy explains how we collect, use, and safeguard your information when you use our website.

2. Information We Collect

Analytics Data: We use Vercel Analytics and Google Analytics to collect anonymous usage data including:

• Pages visited and time spent on our site
• Device type, browser, and operating system
• Geographic location (country/city level)
• Referral source (how you found our site)
• Page performance metrics

Note: Vercel Analytics does not use cookies and all data is anonymized and aggregated. Google Analytics uses cookies as described in the "Cookies and Tracking Technologies" section below.

Calculator Usage: All calculations are performed entirely in your browser. We do not collect, store, or transmit any data you enter into our calculators.

3. How We Use Your Information

We use the collected analytics data to:

• Understand how visitors use our website
• Improve our calculators and user experience
• Identify technical issues and optimize performance
• Make informed decisions about new features

4. Cookies and Tracking Technologies

We use cookies and similar tracking technologies for analytics and advertising purposes:

Analytics Cookies

Google Analytics cookies help us understand how visitors use our website. These cookies:

• Track page views and user interactions
• Do not contain personally identifiable information
• Can be disabled in your browser settings

Advertising Cookies

We use Google AdSense to display advertisements. Google and its partners use cookies to:

• Serve ads based on your prior visits to our website and other websites
• Measure ad effectiveness and provide personalized advertising
• Enable ad personalization based on your interests

You can opt out of personalized advertising by visiting Google Ads Settings or aboutads.info.

5. Data Security

All calculator operations are performed locally in your browser. Your input data never leaves your device and is not transmitted to our servers or any third parties.

6. Third-Party Services

We use the following third-party services:

• Vercel Analytics: For basic website analytics (page views, visitor counts, referrers). Vercel Analytics is privacy-friendly, does not use cookies, and does not collect personally identifiable information. Data is aggregated and anonymized. View Vercel Analytics Privacy.
• Google Analytics: For detailed website analytics. View Google's Privacy Policy
• Google AdSense: We use Google AdSense to display advertisements. Google uses cookies to serve ads based on your prior visits to our website or other websites. Google's use of advertising cookies enables it and its partners to serve ads based on your visit to our site and/or other sites on the Internet. You may opt out of personalized advertising by visiting Google Ads Settings. View How Google uses information from sites that use our services.

7. Your Rights and Choices

You have the right to:

• Opt-out of Personalized Advertising: Visit Google Ads Settings or NAI Opt-Out
• Opt-out of Google Analytics: Use the Google Analytics Opt-out Browser Add-on
• Clear your cookies at any time through your browser settings
• Use our calculators without any data collection beyond anonymous analytics

8. California Privacy Rights & Do Not Track

California Residents: Under the California Consumer Privacy Act (CCPA), California residents have specific rights regarding their personal information. Since we only collect anonymous analytics data, we don't sell personal information.

Do Not Track Signals: We currently do not respond to Do Not Track (DNT) browser signals. However, you can opt-out of tracking and personalized advertising using the links provided in the "Your Rights and Choices" section above.

9. GDPR Compliance (EU Users)

If you are located in the European Economic Area (EEA), you have additional rights under the General Data Protection Regulation (GDPR):

Legal Basis for Processing

We process analytics data based on our legitimate interest in understanding how users interact with our website to improve our services (Article 6(1)(f) GDPR).

Your GDPR Rights

Under GDPR, you have the following rights:

• Right to Access: Request information about what personal data we process
• Right to Rectification: Request correction of inaccurate data
• Right to Erasure: Request deletion of your data ("right to be forgotten")
• Right to Restrict Processing: Request limitation on how we use your data
• Right to Data Portability: Receive your data in a structured, machine-readable format
• Right to Object: Object to processing based on legitimate interests
• Right to Withdraw Consent: Withdraw consent at any time (where consent is the legal basis)
• Right to Lodge a Complaint: File a complaint with your local data protection authority

Data Retention

Google Analytics data is automatically deleted after 14 months. You can opt-out at any time using the Google Analytics Opt-out Browser Add-on.

International Data Transfers

Google Analytics may transfer and process data in countries outside the EEA. Google complies with the EU-U.S. Data Privacy Framework and employs standard contractual clauses approved by the European Commission. Learn more at Google's Privacy Frameworks.

Cookie Consent

By continuing to use our website, you consent to the use of cookies for analytics purposes. You can withdraw consent at any time by clearing your browser cookies or using browser settings to block cookies.

10. Children's Privacy

Our website is not directed to children under 13 (or under 16 for EEA residents). We do not knowingly collect personal information from children.

11. Changes to This Policy

We may update this privacy policy from time to time. Changes will be posted on this page with an updated revision date.

12. Contact Us

If you have questions about this privacy policy or wish to exercise your GDPR rights, please contact us at:

support@calcura.io