Privacy Policy

Last Updated:

This Privacy Policy describes how Calculator Hub collects, uses, and protects your personal information when you use our website and services.

1. Introduction

Welcome to Calculator Hub ("we," "our," or "us"). We are committed to protecting your privacy and ensuring the security of your personal information. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you visit our website calculatorexperthub.com (the "Site") and use our online calculator services (the "Services").

By accessing or using our Site and Services, you agree to the terms of this Privacy Policy. If you do not agree with the terms of this policy, please do not access the Site or use our Services.

2. Data Controller

Calculator Hub is the data controller responsible for your personal information. For any questions or concerns regarding this Privacy Policy or our data practices, please contact us at:

Email: privacy@calculatorexperthub.com

Address: 123 Calculator Street, San Francisco, CA 94102, United States

3. Information We Collect

3.1 Personal Data You Provide

We may collect personal information that you voluntarily provide to us when you:

  • Contact us through our contact form (name, email address, subject, message)
  • Subscribe to our newsletter (email address)
  • Create an account (if applicable in future features)
  • Participate in surveys or provide feedback

3.2 Calculation Data

Important: All calculations performed using our calculators are processed entirely in your web browser. We do not collect, store, or transmit your calculation inputs or results to our servers. Your financial, personal, and other sensitive data entered into our calculators remains private and local to your device.

3.3 Automatically Collected Information

When you visit our Site, we automatically collect certain information about your device and usage patterns, including:

  • Log Data: IP address, browser type and version, operating system, referral URLs, pages visited, time and date of visits
  • Device Information: Device type, screen resolution, language preferences
  • Usage Data: Which calculators you use, navigation patterns, click data (aggregated and anonymized)
  • Cookies and Tracking Technologies: See Section 7 for details

4. How We Use Your Information

We use the information we collect for the following purposes:

  • To provide and maintain our Services: Deliver calculator tools and website functionality
  • To improve our Services: Analyze usage patterns to enhance user experience and develop new features
  • To communicate with you: Respond to inquiries, send updates, and provide customer support
  • To send marketing communications: With your consent, send newsletters and promotional materials (you can opt-out anytime)
  • For analytics: Understand how users interact with our Site to improve performance and content
  • To ensure security: Detect, prevent, and address technical issues, fraud, and security threats
  • To comply with legal obligations: Meet regulatory requirements and respond to legal requests

5. Legal Basis for Processing (GDPR)

If you are located in the European Economic Area (EEA), our legal basis for processing your personal data includes:

  • Consent: You have given explicit consent for specific processing activities (e.g., newsletter subscription)
  • Legitimate Interests: Processing is necessary for our legitimate interests (e.g., improving our Services, fraud prevention) provided these interests are not overridden by your rights
  • Legal Obligation: Processing is necessary to comply with legal requirements
  • Contract Performance: Processing is necessary to fulfill our obligations under a contract with you

6. Third-Party Services and Data Sharing

We may share your information with third-party service providers who assist us in operating our Site and providing our Services. These third parties are contractually obligated to protect your data and use it only for the purposes we specify.

Third-Party Services We Use:

We do not sell, trade, or rent your personal information to third parties for their marketing purposes.

7. Cookies and Tracking Technologies

We use cookies and similar tracking technologies to enhance your experience on our Site. Cookies are small text files stored on your device that help us recognize you and remember your preferences.

Types of Cookies We Use:

  • Essential Cookies: Required for the Site to function properly (e.g., session cookies, security cookies)
  • Analytics Cookies: Help us understand how visitors use our Site (e.g., Google Analytics)
  • Preference Cookies: Remember your settings and preferences (e.g., language, theme)
  • Marketing Cookies: Track your activity for advertising purposes (only with your consent)

Managing Cookies:

You can control and manage cookies through your browser settings. Most browsers allow you to refuse cookies or delete existing cookies. Please note that disabling cookies may affect the functionality of our Site.

Manage Cookie Preferences (TODO: Implement cookie consent manager)

8. Data Retention and Deletion

We retain your personal information only for as long as necessary to fulfill the purposes outlined in this Privacy Policy, unless a longer retention period is required or permitted by law.

  • Contact Form Data: Retained for 2 years or until resolved
  • Newsletter Subscriptions: Retained until you unsubscribe
  • Analytics Data: Anonymized and aggregated data retained indefinitely for statistical purposes
  • Log Data: Retained for 90 days for security and troubleshooting

When data is no longer needed, we securely delete or anonymize it to prevent unauthorized access or use.

9. Your Privacy Rights

Depending on your location, you may have the following rights regarding your personal information:

  • Right to Access: Request a copy of the personal data we hold about you
  • Right to Rectification: Request correction of inaccurate or incomplete data
  • Right to Erasure: Request deletion of your personal data ("right to be forgotten")
  • Right to Restrict Processing: Request that we limit 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 or for direct marketing
  • Right to Withdraw Consent: Withdraw consent at any time where processing is based on consent
  • Right to Lodge a Complaint: File a complaint with your local data protection authority

To exercise any of these rights, please contact us at privacy@calculatorexperthub.com. We will respond to your request within 30 days.

10. Data Security

We implement appropriate technical and organizational security measures to protect your personal information against unauthorized access, alteration, disclosure, or destruction. These measures include:

  • SSL/TLS encryption for data transmission
  • Secure server infrastructure with regular security updates
  • Access controls and authentication mechanisms
  • Regular security audits and vulnerability assessments
  • Employee training on data protection and security best practices

However, no method of transmission over the Internet or electronic storage is 100% secure. While we strive to protect your personal information, we cannot guarantee absolute security.

11. Children's Privacy

Our Services are not directed to individuals under the age of 13 (or the applicable age of digital consent in your jurisdiction). We do not knowingly collect personal information from children.

If you are a parent or guardian and believe your child has provided us with personal information, please contact us immediately. If we discover that we have inadvertently collected personal information from a child, we will delete it promptly.

12. International Data Transfers

Your information may be transferred to and processed in countries other than your country of residence. These countries may have data protection laws different from those in your jurisdiction.

When we transfer personal data from the EEA to countries outside the EEA, we ensure appropriate safeguards are in place, such as Standard Contractual Clauses approved by the European Commission.

13. Changes to This Privacy Policy

We may update this Privacy Policy from time to time to reflect changes in our practices, technology, legal requirements, or other factors. When we make material changes, we will:

  • Update the "Last Updated" date at the top of this policy
  • Notify you via email (if you have subscribed to communications)
  • Display a prominent notice on our Site

Your continued use of our Services after any changes indicates your acceptance of the updated Privacy Policy.

14. Contact Information

If you have any questions, concerns, or requests regarding this Privacy Policy or our data practices, please contact us:

Calculator Hub - Privacy Team

Email: privacy@calculatorexperthub.com

Address: 123 Calculator Street, San Francisco, CA 94102, United States

Response Time: We aim to respond within 30 days