Privacy Policy

Last updated: March 31, 2026

Overview

CalcMaster ("we", "us", "our") operates the website at calcmaster.fun. This Privacy Policy explains what information we collect, how we use it, and your rights regarding your data.

Information We Collect

Information You Provide

All calculations on CalcMaster are performed locally in your browser. The numbers you enter into our calculators are never sent to our servers. Your financial, health, and personal data stays on your device.

Automatically Collected Information

Like most websites, we may collect certain information automatically, including:

• Usage data: Pages visited, time spent on pages, referring website
• Device information: Browser type, operating system, screen resolution
• IP address: Used for geographic analytics and security

Cookies

We use cookies for:

• Remembering your preferences (such as dark mode)
• Analytics to understand how our site is used
• Advertising through Google AdSense (see below)

You can disable cookies in your browser settings. The calculators will still work.

Third-Party Services

Google AdSense

We use Google AdSense to display advertisements. Google may use cookies to serve ads based on your prior visits to our website or other websites. You can opt out of personalized advertising by visiting Google Ads Settings.

Analytics

We may use analytics services to understand website traffic and usage patterns. These services collect information such as how often users visit the site, which pages they visit, and what other sites they used before coming to our site.

Data Security

We use HTTPS encryption to protect data in transit. However, no method of transmission over the Internet is 100% secure, and we cannot guarantee absolute security.

Children's Privacy

CalcMaster is not directed at children under 13. We do not knowingly collect personal information from children under 13. If you believe a child has provided us with personal information, please contact us.

Your Rights

Depending on your location, you may have the right to:

• Access the personal information we hold about you
• Request correction of inaccurate information
• Request deletion of your information
• Opt out of personalized advertising

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.

Contact Us

If you have questions about this Privacy Policy, please contact us at privacy@calcmaster.fun.