Privacy Policy

Effective Date: April 17, 2026  ·  KnotStranded LLC  ·  Camarillo, CA

1. Who We Are

YourCalc.info is a product of KnotStranded LLC, a limited liability company headquartered in Camarillo, California, United States.

If you have any questions about this policy, contact us at: admin@knotstranded.com

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2. Information We Collect

a) Information You Provide Directly

When you submit a comment in the Community Discussion section on any calculator page, we collect:

• Name — as entered in the feedback form (may be a pseudonym)
• Email address — required for submission, used to identify you and prevent abuse
• Comment content — the text of your feedback or suggestion
• Page URL — the calculator page where you submitted the comment

b) Information Collected Automatically

When you visit YourCalc.info, certain information is collected automatically by our infrastructure and third-party services:

• IP address and browser information — collected by our hosting provider (Vercel) for security and performance monitoring
• Pages visited and time spent — aggregated usage data
• Cookies — see Section 4

c) Calculator Inputs

All calculator inputs (numbers, selections, form fields) are processed entirely in your browser. We do not transmit or store your calculator inputs on our servers.

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3. How We Use Your Information

• To display your comments in the community discussion threads on calculator pages
• To maintain a contact list of engaged users for product updates (if you opted in)
• To improve our calculator tools based on feedback
• To detect and prevent abuse or spam submissions
• To serve relevant advertisements through Google AdSense (see Section 5)

We do not sell, rent, or trade your personal information to third parties for their direct marketing purposes.

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4. Cookies

YourCalc.info uses cookies and local browser storage for the following purposes:

• Theme preference — remembers your light/dark mode setting (calcTheme)
• Currency preference — remembers your selected currency (USD, EUR, GBP) (calcCurrency)
• Google AdSense cookies — used to serve personalized advertisements (see Section 5)
• Google Analytics cookies — if enabled, used for anonymous traffic analysis

You can disable cookies through your browser settings. Disabling cookies may affect the functionality of theme and currency preferences.

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5. Google AdSense & Advertising

YourCalc.info uses Google AdSense to display advertisements. Google AdSense may use cookies and web beacons to serve ads based on your prior visits to this website and other websites across the internet.

• Google's use of advertising cookies enables it and its partners to serve ads based on your visit to our site and/or other sites on the internet
• You may opt out of personalized advertising by visiting Google Ad Settings
• You may also opt out via the Network Advertising Initiative opt-out page

For more details, see Google's advertising policies.

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6. Data Retention

Community discussion comments and associated email addresses are retained in our database for as long as the platform is active, or until you request deletion. You may request removal of your data at any time by emailing admin@knotstranded.com.

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7. Your Rights

Depending on your location, you may have the following rights:

California Residents (CCPA)

• Right to know what personal information is collected
• Right to delete your personal information
• Right to opt out of the sale of personal information (we do not sell personal data)
• Right to non-discrimination for exercising these rights

European Residents (GDPR)

• Right of access to your personal data
• Right to rectification of inaccurate data
• Right to erasure ("right to be forgotten")
• Right to restrict or object to processing
• Right to data portability

To exercise any of these rights, contact us at admin@knotstranded.com. We will respond within 30 days.

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8. Third-Party Links

YourCalc.info may contain links to third-party websites. This Privacy Policy does not apply to those sites. We encourage you to review the privacy policies of any third-party sites you visit.

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9. Children's Privacy

YourCalc.info is not directed to children under the age of 13. We do not knowingly collect personal information from children under 13. If you believe a child has submitted personal information, contact us and we will delete it promptly.

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10. Changes to This Policy

We may update this Privacy Policy from time to time. Changes will be posted on this page with an updated effective date. Continued use of YourCalc.info after changes are posted constitutes acceptance of the updated policy.