WebCalcSys WebCalcSys
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Privacy Policy

Last updated: June 6, 2026

1. Introduction

WebCalcSys ("we," "our," or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you visit our website at webcalcsys.com (the "Site").

By using the Site, you agree to the collection and use of information in accordance with this policy.

2. Information We Collect

2.1 Information You Provide

We do not require you to create an account or provide personal information to use our calculators. However, if you contact us via email or a contact form, we may collect your name, email address, and any other information you choose to share.

2.2 Automatically Collected Information

When you visit the Site, we may automatically collect certain information, including:

  • Your IP address, browser type, and operating system
  • Pages you visit and how long you spend on them
  • Referring URL and exit pages
  • Device information (screen resolution, device type)

2.3 Cookies

We use cookies and similar tracking technologies to improve your experience, remember your preferences (such as dark mode and language), and analyze Site usage. You can control cookie preferences through your browser settings.

The cookies we use include:

  • Preference cookies — to remember your theme (dark/light mode) and language selection
  • Analytics cookies — to understand how visitors use our Site (if applicable)

3. How We Use Your Information

We use the information we collect to:

  • Provide, operate, and maintain the Site and all calculator functionality
  • Improve, personalize, and expand the Site
  • Understand and analyze how you use the Site
  • Remember your preferences (theme, language)
  • Respond to your inquiries and support requests

4. Third-Party Services

We may use third-party services to help us operate the Site and analyze usage. These services may have access to your information only to perform specific tasks on our behalf and are contractually obligated not to disclose or use it for any other purpose.

Currently, we may use:

  • Analytics providers — to understand Site traffic and usage patterns
  • Hosting providers — to serve the Site to you
  • Ad networks — to display advertisements (if applicable)

5. Data Storage and Security

All calculator computations are performed locally in your browser. No calculation data is transmitted to or stored on our servers. Any preferences you set (theme, language) are stored locally in your browser's localStorage and are never sent to us.

We implement reasonable security measures to protect any information we collect. However, no method of transmission over the Internet or electronic storage is 100% secure.

6. Your Rights

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

  • Access — request a copy of the data we hold about you
  • Correction — request correction of inaccurate data
  • Deletion — request deletion of your data
  • Objection — object to the processing of your data
  • Portability — request transfer of your data

To exercise any of these rights, please contact us using the information below.

7. Children's Privacy

The Site is not intended for children under the age of 13. We do not knowingly collect personal information from children under 13. If we discover that a child under 13 has provided us with personal information, we will delete it immediately.

8. 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.

We encourage you to review this Privacy Policy periodically for any changes.

9. Contact Us

If you have any questions about this Privacy Policy, please contact us:

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