Privacy Policy
Last updated: January 1, 2025
Summary: MyDailyCalculator does not sell your data. We collect minimal information needed to operate the service. Your calculator inputs are processed locally in your browser and are not transmitted to our servers unless you choose to save them.
1. Who We Are
MyDailyCalculator ("we," "us," or "our") operates the website located at mydailycalculator.com (the "Service"). This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our Service. Please read this policy carefully. If you disagree with its terms, please discontinue use of the Service.
2. Information We Collect
2.1 Information You Provide
- Account registration: When you create an account, we collect your email address and a password (stored as a secure hash).
- Saved calculations: If you choose to save calculator results, we store those results linked to your account.
- Contact form: If you contact us, we collect your name, email, and message content.
2.2 Information Collected Automatically
- Usage data: We collect information about pages visited, features used, and time spent on the Service via Google Analytics.
- Device information: Browser type, operating system, screen resolution, and language preference.
- IP address: Used to determine approximate geographic region for analytics purposes.
- Cookies: We use cookies to maintain your login session and analytics preferences. See Section 6 for details.
2.3 Calculator Inputs
Values you enter into our calculators are processed entirely in your browser using JavaScript. These values are not transmitted to or stored on our serversunless you explicitly click "Save" to save a result to your account.
3. How We Use Your Information
- To provide, operate, and maintain the Service
- To create and manage your account
- To store and retrieve your saved calculations
- To respond to your questions and support requests
- To send transactional emails (e.g., password reset, email confirmation)
- To analyze usage patterns and improve our calculators and user experience
- To detect and prevent fraud, abuse, or security incidents
- To comply with legal obligations
We do not use your information to send marketing emails without your explicit consent, and we do not sell, rent, or trade your personal information to any third party.
4. Third-Party Services
We use the following third-party services which may collect information as described in their own privacy policies:
| Service | Purpose | Data Collected |
|---|---|---|
| Supabase | Authentication & database | Email, saved calculations |
| Google Analytics | Usage analytics | Page views, device info, IP (anonymized) |
| Google AdSense | Advertising | Cookies, browsing behavior |
| Vercel | Hosting & CDN | Request logs, IP address |
5. Advertising
MyDailyCalculator uses Google AdSense to display advertisements. Google may use cookies and similar technologies to serve ads based on your prior visits to our website or other websites. You can opt out of personalized advertising by visiting Google Ad Settings. We do not control the content of ads served by Google.
6. Cookies
We use the following types of cookies:
- Essential cookies: Required for authentication and maintaining your login session. Cannot be disabled.
- Analytics cookies: Google Analytics cookies that help us understand how visitors use the Service. You can disable these via your browser settings.
- Advertising cookies: Placed by Google AdSense to serve relevant advertisements. You can opt out via Google Ad Settings.
Most browsers allow you to control cookies through their settings. Disabling cookies may affect the functionality of the Service, including the ability to stay logged in.
7. Data Retention
We retain your account information for as long as your account is active. Saved calculations are retained until you delete them or close your account. If you close your account, we will delete your personal data within 30 days, except where we are required by law to retain it longer.
8. Your Rights
Depending on your location, you may have the following rights:
- Access: Request a copy of the personal data we hold about you.
- Correction: Request correction of inaccurate personal data.
- Deletion: Request deletion of your personal data ("right to be forgotten").
- Portability: Request your data in a portable format.
- Objection: Object to processing of your personal data for direct marketing.
To exercise any of these rights, please contact us at our contact page. We will respond within 30 days.
9. Children's Privacy
MyDailyCalculator is not directed to children under the age of 13. We do not knowingly collect personal information from children under 13. If you believe we have inadvertently collected information from a child under 13, please contact us immediately and we will take steps to delete such information.
10. Security
We implement reasonable technical and organizational measures to protect your personal information against unauthorized access, alteration, disclosure, or destruction. Passwords are hashed using industry-standard algorithms. Data is transmitted over HTTPS. However, no method of transmission over the internet is 100% secure, and we cannot guarantee absolute security.
11. Changes to This Policy
We may update this Privacy Policy from time to time. We will notify you of significant changes by posting a notice on the Service or sending an email to registered users. Your continued use of the Service after changes are posted constitutes your acceptance of the updated policy. 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. We take privacy seriously and will respond to all inquiries promptly.