TDEE Lab ("we," "our," or "us") operates the tdeelab.com website. This Privacy Policy explains how we collect, use, and protect your information when you use our website and calculators.
1. Information We Collect
Information You Provide
- Contact form submissions: Name, email address, subject, and message content when you reach out to us.
- Calculator inputs: Age, gender, height, weight, body fat percentage, and activity level entered into our calculators. This data is processed locally in your browser and is never transmitted to our servers.
Automatically Collected Information
- Usage data: Pages visited, time spent on pages, and referral sources — collected anonymously to improve our services.
- Device information: Browser type, operating system, and screen resolution for responsive design optimization.
2. How We Use Your Information
- To respond to your contact form inquiries
- To analyze website traffic and improve our calculators
- To detect and prevent abuse or security issues
- To comply with legal obligations
We do not sell, rent, or trade your personal information to third parties.
3. Calculator Data Privacy
All calculations on TDEE Lab are performed entirely in your browser. The personal data you enter into our calculators (age, weight, height, body fat percentage) is never sent to our servers, stored in databases, or shared with any third party. Once you close or refresh the page, that data is gone.
4. Cookies and Tracking
- Essential cookies: We use a single cookie to remember your dark/light theme preference. This contains no personal data.
- Analytics: We may use privacy-respecting analytics (such as a self-hosted or cookieless solution) to understand how visitors use our site. No personally identifiable information is collected.
We do not use advertising cookies or cross-site tracking.
5. Third-Party Services
- Google Fonts: We load the Inter font from Google Fonts. Google may collect IP address information per their privacy policy.
- Hosting: Our site is hosted on a static hosting provider that may collect server logs including IP addresses for security and performance purposes.
6. Data Security
We implement reasonable security measures to protect the information you provide through our contact form. However, no method of electronic transmission or storage is 100% secure, and we cannot guarantee absolute security.
7. Your Rights
Depending on your jurisdiction, you may have the right to:
- Access the personal information we hold about you
- Request correction of inaccurate data
- Request deletion of your data
- Object to or restrict processing of your data
- Data portability
To exercise any of these rights, contact us at support@tdeelab.com.
8. Children's Privacy
TDEE Lab is not directed to individuals under the age of 13. We do not knowingly collect personal information from children. If you believe a child has provided us with personal information, please contact us and we will promptly delete it.
9. Changes to This Policy
We may update this Privacy 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 of the revised policy.
10. Contact Us
If you have questions about this Privacy Policy or how your data is handled, please contact us:
- Email: support@tdeelab.com
- Website: tdeelab.com/contact