Privacy Policy

Information We Collect

When you use SynastryChart, we may collect the following types of information:

• Birth Information: Date, time, and location of birth for astrological calculations
• Usage Data: IP address, browser type, pages visited, and interaction data
• Cookies & Local Storage: Session data, preferences, and authentication tokens

How We Use Your Information

We use the collected information for:

• Generating accurate synastry charts and astrocartography maps
• Improving our services and user experience
• Analyzing usage patterns to enhance functionality
• Complying with legal obligations and protecting our rights

Data Storage & Security

We take data security seriously:

• Session Data: Charts are stored temporarily in your browser session
• Encryption: All data transmission uses industry-standard encryption (HTTPS/TLS)
• Third-Party Security: We use Vercel (hosting) and Mapbox (maps), both compliant with data protection standards
• No Long-Term Storage: Guest users' birth data is not permanently stored on our servers

Third-Party Services

SynastryChart integrates with the following third-party services:

Your Rights (GDPR & CCPA Compliance)

You have the right to:

• Access: Request a copy of your personal data
• Correction: Request corrections to inaccurate data
• Deletion: Request deletion of your personal data ("Right to be Forgotten")
• Data Portability: Request your data in a machine-readable format
• Consent Withdrawal: Withdraw consent for data processing at any time

To exercise these rights, contact us at support@synastrychart.org

Cookies & Tracking

We use cookies for:

• Essential Cookies: Required for site functionality (authentication, session management)
• Analytics Cookies: Track usage patterns (Vercel Analytics)
• Preference Cookies: Remember your settings (theme, language)
• Advertising Cookies: Used by Google AdSense and its partners to serve and measure ads (see the Advertising section below)

You can disable cookies in your browser, but this may limit site functionality.

Advertising and Google AdSense

We display advertising served by Google AdSense to keep our free tools available. Google and its partners act as third-party vendors on this site:

• Google uses advertising cookies (including the DoubleClick cookie) and may use web beacons, device identifiers, and IP addresses to serve ads based on your prior visits to this website or other websites on the Internet.
• Third-party vendors and ad networks may also place and read cookies on your browser to serve and measure ads on our site.
• Visitors in the European Economic Area and the United Kingdom are shown a consent message and can accept or refuse the use of cookies for personalized advertising; ads are served according to your choice.

You can opt out of personalized advertising at any time via Google Ads Settings · www.aboutads.info/choices

Children's Privacy

SynastryChart is not intended for children under 13. We do not knowingly collect data from minors. If you believe we have collected a child's data, please contact us immediately.

Data Retention

• Guest Users: Birth data is stored only for the session duration and deleted when the browser is closed
• Registered Users: Birth data is retained until account deletion or chart removal
• Analytics Data: Aggregated usage data is retained for up to 24 months

International Users

SynastryChart is accessible worldwide. By using our service, you consent to data transfer and processing in the United States and other jurisdictions where our service providers operate.

Changes to This Privacy Policy

We may update this Privacy Policy periodically. Changes will be communicated via:

• Posting the updated policy on this page
• Updating the "Last Updated" date
• For significant changes: Email notification to registered users