Privacy Policy
Your privacy is important to us. This policy explains how we collect, use, and protect your information.
Last updated: December 2025
Information We Collect
Information You Provide
Our CD interest calculators require you to input financial data such as:
- Principal investment amounts
- Interest rates
- CD term lengths
- Compounding frequencies
- Tax information (for tax calculator)
Important: All calculations are performed locally in your browser. This financial data is not transmitted to our servers or stored anywhere.
Automatically Collected Information
When you visit our website, we may automatically collect:
- Browser type and version
- Operating system
- IP address (anonymized)
- Pages visited and time spent
- Referral source
How We Use Your Information
Calculator Functionality
Your input data is used solely to perform CD interest calculations and display results to you.
Website Analytics
We use anonymized analytics data to understand how visitors use our calculators and improve our services.
Share Functionality
When you use our share feature, your calculation parameters are encoded in the URL to allow others to view your results.
Data Security
Local Processing
All calculations are performed in your browser. Your financial data never leaves your device.
HTTPS Encryption
Our website uses HTTPS encryption to protect data transmitted between your browser and our servers.
No Data Storage
We do not store your calculation inputs or results on our servers or in any databases.
Cookies and Tracking
Essential Cookies
We use essential cookies for:
- Remembering your dark/light theme preference
- Basic website functionality
- Security purposes
Analytics
We may use analytics services to understand website usage patterns. These services use cookies to collect anonymized data about your visit, including pages viewed, time spent, and general location (country/region level only).
Third-Party Services
Our website may use third-party services such as:
- CDN services for faster loading
- Font services (Google Fonts)
- Analytics services
Your Rights
Access
Since we don't store your calculation data, there is no personal data to access beyond what you input yourself.
Deletion
You can clear your browser's local storage and cookies to remove any stored preferences.
Control
You can disable cookies in your browser settings, though this may affect website functionality.
Children's Privacy
Our service is not intended for children under 13 years of age. We do not knowingly collect personal information from children under 13. If you are a parent or guardian and believe your child has provided us with personal information, please contact us.
Changes to This Policy
We may update this Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page and updating the "Last updated" date at the top of this policy.
You are advised to review this Privacy Policy periodically for any changes. Changes to this Privacy Policy are effective when they are posted on this page.
Contact Us
If you have any questions about this Privacy Policy or our practices, please contact us:
Website: cd-interest-calculator.com
Email: privacy@cd-interest-calculator.com
Note: This Privacy Policy applies specifically to our CD Interest Calculator website and services. It does not apply to any third-party websites or services that may be linked from our site.