Privacy Policy
Last Updated: December 2025
Effective Date: December 2025
1. Introduction
Welcome to CalcHubmaster ("we," "our," or "us"). We are committed to protecting your privacy and personal information. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you visit our website CalcHubmaster (the "Service").
By using our Service, you agree to the collection and use of information in accordance with this Privacy Policy. If you do not agree with the terms of this Privacy Policy, please do not access the Service.
2. Information We Collect
2.1 Information Automatically Collected
When you visit our Service, we and our third-party partners may automatically collect certain information about your device and usage, including:
- Device Information: Browser type and version, operating system, device type
- Log Data: IP address, access times, pages viewed, referring URL
- Location Data: Approximate geographic location based on IP address
- Usage Data: How you interact with our calculators and website
2.2 Calculator Data
Important: All calculator computations are performed locally in your browser (client-side). We do NOT collect, store, or transmit any data you enter into our calculators. Your calculation inputs and results remain on your device only.
3. Cookies and Tracking Technologies
We use cookies and similar tracking technologies to track activity on our Service and store certain information. Cookies are small data files placed on your device.
3.1 Types of Cookies We Use
- Essential Cookies: Required for the website to function properly, such as remembering your theme preference (dark/light mode).
- Analytics Cookies: Help us understand how visitors interact with our website by collecting and reporting information anonymously.
- Advertising Cookies: Used by us and third-party advertisers to deliver relevant advertisements and track ad campaign performance.
- Preference Cookies: Remember your settings and preferences for a better user experience.
3.2 Managing Cookies
You can control and manage cookies through your browser settings. Most browsers allow you to:
- View what cookies are stored and delete them individually
- Block third-party cookies
- Block all cookies
- Clear all cookies when you close your browser
Please note that blocking cookies may impact your experience on our website and limit certain features.
4. Google AdSense and Third-Party Advertising
We use Google AdSense and other third-party advertising networks to display advertisements on our website. This helps us keep our calculators free for everyone.
4.1 How Google AdSense Works
Google AdSense uses cookies to serve ads based on your prior visits to our website and other websites on 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.
4.2 Information Collected by Advertisers
Third-party vendors, including Google, use cookies to serve ads based on your prior visits to our website or other websites. This may include:
- Cookies for ad serving and frequency capping
- Cookies for ad personalization based on interests
- Cookies to measure ad performance and conversions
- Information about your device and browser
4.3 Opting Out of Personalized Advertising
You may opt out of personalized advertising by visiting:
- Google Ads Settings: www.google.com/settings/ads
- Network Advertising Initiative: www.networkadvertising.org/choices/
- Digital Advertising Alliance: www.aboutads.info/choices/
- European Users: www.youronlinechoices.eu/
Please note that opting out does not mean you will no longer see ads. You will still see ads, but they may be less relevant to your interests.
4.4 Google's Privacy Policy
For more information about how Google uses your data, please visit the Google Privacy Policy and Google's Advertising Policies.
5. Google Analytics
We use Google Analytics to help us understand how visitors use our website. Google Analytics collects information such as:
- How often users visit our site
- What pages they visit
- What other sites they used prior to coming to our site
- Demographic and interest data (age, gender, interests)
Google Analytics uses cookies to collect this information. The information generated is transmitted to and stored by Google. You can opt out of Google Analytics by installing the Google Analytics Opt-out Browser Add-on.
6. How We Use Your Information
We use the automatically collected information for the following purposes:
- To provide, operate, and maintain our website
- To improve and optimize our website and user experience
- To understand how visitors use our calculators
- To display relevant advertisements through Google AdSense
- To detect and prevent technical issues and security threats
- To comply with legal obligations
7. Data Sharing and Disclosure
We may share your information in the following situations:
- With Advertising Partners: We share information with Google AdSense and other advertising networks to display relevant ads.
- With Analytics Providers: We share data with Google Analytics to understand website usage.
- For Legal Compliance: We may disclose information if required by law or legal process.
- Business Transfers: In the event of a merger or acquisition, user information may be transferred.
We do NOT sell your personal information to third parties.
8. Data Security
We implement appropriate security measures to protect your information, including:
- SSL/TLS encryption for all data transmission
- Regular security assessments
- Secure hosting infrastructure
However, no method of transmission over the Internet is 100% secure. We cannot guarantee absolute security of your data.
9. Your Privacy Rights
Depending on your location, you may have certain rights regarding your personal information:
9.1 General Rights
- Access: Request access to your personal information
- Correction: Request correction of inaccurate data
- Deletion: Request deletion of your personal information
- Opt-Out: Opt out of personalized advertising
9.2 For European Users (GDPR)
If you are in the European Economic Area (EEA), you have additional rights under the General Data Protection Regulation (GDPR), including the right to data portability and the right to withdraw consent.
9.3 For California Users (CCPA)
If you are a California resident, you have rights under the California Consumer Privacy Act (CCPA), including the right to know what personal information is collected and the right to request deletion. We do not sell personal information.
To exercise any of these rights, please contact us at: nouman.ali007@gmail.com
10. Children's Privacy
Our Service is not intended for children under the age of 13. We do not knowingly collect personal information from children under 13. If you are a parent or guardian and believe your child has provided us with personal information, please contact us immediately.
11. Third-Party Links
Our website may contain links to third-party websites. We are not responsible for the privacy practices of these external sites. We encourage you to read the privacy policy of every website you visit.
12. Do Not Track Signals
Some browsers include a "Do Not Track" (DNT) feature. We currently do not respond to DNT signals. However, you can opt out of interest-based advertising using the links provided in Section 4.3.
13. International Data Transfers
Your information may be transferred to and processed in countries other than your country of residence. These countries may have different data protection laws. By using our Service, you consent to the transfer of your information to these countries.
14. Changes to This Privacy 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.
You are advised to review this Privacy Policy periodically for any changes. Your continued use of the Service after any modifications constitutes your acceptance of the updated Privacy Policy.
15. Contact Us
If you have any questions about this Privacy Policy, please contact us:
Email: nouman.ali007@gmail.com
We will respond to your inquiry within 48 hours.
16. Consent
By using our Service, you consent to this Privacy Policy and agree to its terms.