Privacy Policy

1. Operator Information

2. About This Privacy Policy

This Privacy Policy explains how TechCalcs ("the Site") handles users' personal information and related data. This policy applies to all pages and services provided on techcalcs.net.

3. Information We Collect

The Site may automatically collect or receive the following information through your use of the Site:

• IP address
• Browser type and version, operating system, and device information
• Pages visited, referral URLs, and time spent on pages
• Cookies and similar identifiers (see Section 5 for details)
• Information provided through the contact form (name, email address, and message content)

The Site does not require user registration and does not collect passwords or payment information.

4. Purpose of Use

The information collected is used for the following purposes:

• Website analytics and improvement (using Google Analytics)
• Advertising (using Google AdSense)
• Service improvement and quality enhancement
• Responding to user inquiries

Your information will not be used for purposes other than those stated above.

5. Cookies and Local Storage

Cookies are small data files stored on your browser by websites. The Site uses cookies and similar technologies for the following purposes:

• Google Analytics: Uses cookies (_ga, _gid, etc.) for website analytics.
• Google AdSense: Uses cookies for ad personalization and delivery.

Local Storage: The Site stores calculation history in your browser's local storage (localStorage). This data is kept only on your device and is never transmitted to external servers. You can clear this data through your browser settings or the Site's history feature.

You can manage cookie preferences through your browser settings. However, disabling cookies may affect the functionality of some Site features.

6. Third-Party Advertising (Google AdSense)

The Site uses Google AdSense, a third-party advertising service.

• Third-party vendors, including Google, use cookies to serve ads based on your prior visits to this website and other websites.
• Google's use of advertising cookies enables it and its partners to serve ads based on your visits to this Site and/or other sites on the Internet.
• You may opt out of personalized advertising by visiting Google Ads Settings.
• You may also opt out of third-party vendor cookies for personalized advertising by visiting www.aboutads.info.

For more information, please refer to:

• How Google uses information for advertising (Google)
• Google Privacy Policy

7. Web Analytics (Google Analytics)

The Site uses Google Analytics, a web analytics service provided by Google. Google Analytics uses cookies to collect anonymous traffic data. This data does not personally identify you.

If you wish to opt out of Google Analytics data collection, you can use the Google Analytics Opt-out Browser Add-on.

8. Data Retention

• Google Analytics data: Retained in accordance with Google's default retention settings.
• Contact form data: Retained for as long as necessary to respond to your inquiry.
• Local storage (calculation history): Retained on your device until you manually clear it.

We do not retain collected information longer than necessary for the purposes described above.

9. Provision of Personal Information to Third Parties

We do not provide users' personal information to third parties unless required by law.

10. User Rights and Opt-Out Options

• You can control the use of cookies through your browser settings.
• You can opt out of ad personalization through Google Ads Settings.
• You can opt out of third-party vendor cookies at www.aboutads.info.
• You can opt out of Google Analytics using the Google Analytics Opt-out Browser Add-on.
• Calculation history stored in local storage can be cleared through your browser settings or the Site's history feature.
• Users in the European Union (EU) have rights under the GDPR (such as access, correction, deletion, and restriction of processing). Users in California have rights under the CCPA. If you wish to exercise these rights, please contact us using the information below.

11. Disclaimer Regarding Calculation Results

• Calculation results provided by this service are reference values only. Please consult a specialist for critical design or construction decisions.
• The operator assumes no liability for any damages arising from the use of this service.
• When advertisements are displayed, they do not represent endorsement of any specific products or services by this service.

12. Changes to This Privacy Policy

This Privacy Policy may be updated in accordance with changes in laws or our services. When changes are made, the last updated date at the top of this page will be revised, and major changes will be announced on this Site. Your continued use of the Site after any changes constitutes acceptance of the updated policy.

13. Contact

For questions or requests regarding the handling of personal information, please contact us through:

• Contact Form
• Email: contact@techcalcs.net