Privacy Policy

1. Introduction

CalcDeck ("we," "our," or "us") operates the website calcdeck.io. We are committed to protecting your privacy. This policy explains what information we collect, how we use it, and your choices regarding your data.

2. Information We Collect

Calculator inputs: All calculations happen entirely in your browser. We do not transmit, store, or log the financial data you enter into our calculators. Your numbers stay on your device.

Automatically collected data: Like most websites, we may collect standard analytics data including pages visited, time on site, browser type, device type, and referring URL. This data is anonymized and used solely to improve our service.

Voluntary information: If you contact us via email, we collect only the information you choose to provide.

3. Advertising & Google AdSense

We use Google AdSense to display advertisements on calcdeck.io. Google and its partners may use cookies, web beacons, and similar technologies to serve ads based on your browsing history and interests.

Third-party advertising companies may collect information about your visits to this and other websites to provide targeted advertisements. This practice is known as interest-based advertising or personalized advertising.

You can opt out of personalized advertising by visiting Google Ads Settings, Digital Advertising Alliance, or Network Advertising Initiative.

4. Cookies

We use cookies for:

• Essential: Theme preference (dark/light mode)
• Analytics: Anonymized page visit data
• Advertising: Google AdSense and its partners may set cookies for ad personalization

You can manage cookie preferences through your browser settings. Disabling cookies may affect site functionality.

5. Third-Party Services

We use the following third-party services:

• Google AdSense: For displaying advertisements
• Google Fonts: For web fonts (Inter, JetBrains Mono)
• Cloudflare: For content delivery and security

These services have their own privacy policies. We encourage you to review them.

6. Data Security

We implement appropriate technical and organizational measures to protect your data. All connections to calcdeck.io are encrypted using HTTPS/TLS. Calculator data never leaves your browser.

7. CCPA Disclosure (California Residents)

Under the California Consumer Privacy Act (CCPA), California residents have the right to:

• Know what personal information is collected
• Request deletion of personal information
• Opt out of the sale of personal information
• Not be discriminated against for exercising these rights

We do not sell personal information. To exercise your CCPA rights, contact us at [email protected].

8. GDPR Disclosure (EU/EEA Residents)

Under the General Data Protection Regulation (GDPR), you have the right to:

• Access your personal data
• Rectify inaccurate data
• Erasure ("right to be forgotten")
• Restrict processing
• Data portability
• Object to processing

For GDPR requests, contact [email protected]. We will respond within 30 days.

9. Children's Privacy

CalcDeck is not directed to children under 13. We do not knowingly collect personal information from children under 13.

10. Changes to This Policy

We may update this policy from time to time. Changes will be posted on this page with an updated "Last updated" date. Continued use of the site after changes constitutes acceptance.

11. Contact Us

If you have questions about this privacy policy, please contact us at: