Privacy Policy

Last Updated: November 7, 2025

1. Introduction

At Coast FIRE Calculator ("we," "our," or "us"), we are committed to protecting your privacy. This Privacy Policy explains how we collect, use, and protect your information when you use our website and calculators at coastfirecalculator.app (the "Service").

Key Commitment: Your financial data never leaves your browser. All calculations are performed locally on your device, and we do not collect, store, or transmit your personal financial information.

2. Data Collection

We collect limited information to improve our Service:

2.1 Information You Provide

• Calculator Inputs: When you use our calculators, you enter financial data (age, savings, expenses, etc.). This data is processed entirely in your browser and is never sent to our servers.
• Local Storage: Your calculator inputs may be saved in your browser's local storage for your convenience. This data remains on your device and can be cleared at any time through your browser settings.
• Contact Information: If you email us, we collect your email address and message content solely to respond to your inquiry.

2.2 Automatically Collected Information

• Usage Data: We collect anonymous information about how you interact with our Service, including pages visited, buttons clicked, and time spent on pages.
• Device Information: We collect device type, browser type, operating system, and screen resolution to optimize our Service for different devices.
• IP Address: We collect IP addresses for analytics and security purposes. IP addresses are anonymized and not linked to personal identities.

3. How We Use Your Data

We use collected data for the following purposes:

• Service Delivery: To provide and maintain our calculators and website functionality
• Analytics: To understand how users interact with our Service and identify areas for improvement
• Performance Optimization: To improve loading times, fix bugs, and enhance user experience
• Security: To detect and prevent fraud, abuse, and security threats
• Communication: To respond to your inquiries and provide customer support

We do not: Sell your data, use it for targeted advertising beyond our Service, or share it with third parties except as described in this policy.

4. Data Protection

We implement security measures to protect your information:

• HTTPS Encryption: All data transmitted between your browser and our servers is encrypted using SSL/TLS
• Client-Side Processing: Financial calculations are performed entirely in your browser, ensuring your sensitive data never reaches our servers
• Limited Data Collection: We only collect the minimum data necessary to operate our Service
• Regular Security Reviews: We regularly review and update our security practices

5. Your Rights

You have the following rights regarding your data:

• Access: You can request information about what data we have collected about you
• Deletion: You can request deletion of your data by contacting us
• Opt-Out: You can opt out of analytics tracking using browser settings or ad blockers
• Local Data Control: You can clear calculator data stored in your browser at any time through browser settings

To exercise these rights, contact us at contact@coastfirecalculator.app.

6. Cookies and Tracking

We use cookies and similar technologies for the following purposes:

• Essential Cookies: Required for basic website functionality (e.g., remembering your calculator inputs)
• Analytics Cookies: Used to understand how you use our Service (via Google Analytics and Microsoft Clarity)
• Advertising Cookies: Used to display relevant advertisements (via Google AdSense)

You can control cookies through your browser settings. Note that disabling cookies may affect some features of our Service. Most browsers allow you to:

• View and delete cookies
• Block third-party cookies
• Block cookies from specific sites
• Block all cookies

7. Third-Party Services

We use the following third-party services that may collect data:

7.1 Google Analytics 4

• Purpose: Website traffic analysis and user behavior insights
• Data Collected: Page views, session duration, device information, anonymized IP addresses
• Privacy Policy: Google Privacy Policy

7.2 Google AdSense

• Purpose: Display advertisements to support our free Service
• Data Collected: Browsing behavior, device information, ad interactions
• Privacy Policy: Google Ads Privacy
• Opt-Out: Google Ad Settings

7.3 Microsoft Clarity

• Purpose: User experience analysis through session recordings and heatmaps
• Data Collected: Mouse movements, clicks, scrolling behavior, page interactions
• Privacy Policy: Microsoft Privacy Statement

Important: We do not sell your personal information to third parties. These services are used solely to improve our Service and may use cookies and similar technologies. You can opt out of personalized advertising through the links provided above.

8. Data Retention

We retain data for the following periods:

• Calculator Data: Stored locally in your browser until you clear it
• Analytics Data: Retained for up to 26 months (Google Analytics default)
• Email Communications: Retained for up to 2 years or until you request deletion

9. Children's Privacy

Our Service is not intended for children under 18 years of age. We do not knowingly collect personal information from children. If you believe we have collected information from a child, please contact us immediately.

10. International Data Transfers

Our Service is hosted in the United States. If you access our Service from outside the United States, your data may be transferred to and processed in the United States. By using our Service, you consent to this transfer.

11. Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of significant changes by posting the new policy on this page and updating the "Last Updated" date. We encourage you to review this policy periodically.

12. Contact Us

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

• Email: contact@coastfirecalculator.app
• Response Time: We typically respond within 48 hours

This Privacy Policy is effective as of the date stated above and applies to all users of Coast FIRE Calculator.