Privacy Policy

1. Overview

Calculator Tools ("we," "our," or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, and safeguard your information when you visit our website and use our 100+ free online calculators.

Key Points:

• We do not require registration or personal accounts
• Your calculations are processed locally on your device
• We collect minimal data necessary for website functionality
• We do not sell or share personal information with third parties
• We use industry-standard security measures to protect your data

2. Information We Collect

2.1 Information You Provide

Contact Forms: When you contact us through our contact form, we collect:

• Name and email address
• Subject and message content
• Calculator-related information (if applicable)

Calculator Inputs: The values you enter into our calculators are processed locally on your device and are not transmitted to or stored on our servers.

2.2 Information Automatically Collected

When you visit our website, we automatically collect certain information:

• Usage Data: Pages visited, time spent, click patterns
• Device Information: Browser type, operating system, screen resolution
• Network Information: IP address, general location (country/region)
• Performance Data: Page load times, error reports

3. How We Use Information

We use the collected information for the following purposes:

• Website Operation: Ensure proper functionality of calculators and website features
• User Support: Respond to your inquiries and provide technical assistance
• Improvement: Analyze usage patterns to improve calculator accuracy and user experience
• Security: Detect and prevent fraud, abuse, and security threats
• Legal Compliance: Meet legal obligations and protect our rights

We do NOT use your information for:

• Marketing or promotional purposes
• Selling to third parties
• Creating user profiles for advertising
• Tracking across other websites

4. Data Sharing and Disclosure

We do not sell, trade, or rent your personal information to third parties. We may share information only in the following limited circumstances:

4.1 Service Providers

We may share information with trusted service providers who assist us in operating our website:

• Web Hosting: To store and serve website content
• Analytics: To understand website usage (anonymized data only)
• Security: To protect against threats and abuse

4.2 Legal Requirements

We may disclose information if required by law or in response to:

• Valid legal process (subpoenas, court orders)
• Government investigations
• Protection of our rights and safety
• Prevention of fraud or illegal activities

5. Cookies and Tracking Technologies

5.1 Essential Cookies

We use essential cookies that are necessary for website functionality:

• Session Management: Remember your preferences during your visit
• Security: Protect against cross-site request forgery
• Functionality: Enable calculator features and mobile menu

5.2 Analytics Cookies

We may use analytics cookies to understand how visitors use our website:

• Page views and popular calculators
• User flow and navigation patterns
• Performance metrics and error tracking

5.3 Managing Cookies

You can control cookies through your browser settings:

• Block all cookies (may affect website functionality)
• Delete existing cookies
• Set preferences for future cookies

6. Data Security

We implement appropriate security measures to protect your information:

6.1 Technical Safeguards

• HTTPS Encryption: All data transmission is encrypted
• Secure Servers: Protected hosting infrastructure
• Access Controls: Limited access to personal information
• Regular Updates: Security patches and software updates

6.2 Data Minimization

• Collect only necessary information
• Process calculations locally when possible
• Regularly delete unnecessary data
• Anonymize analytics data

Important: While we strive to protect your information, no method of transmission over the internet is 100% secure. We cannot guarantee absolute security.

7. Your Privacy Rights

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

7.1 General Rights

• Access: Request information about data we have about you
• Correction: Request correction of inaccurate information
• Deletion: Request deletion of your personal information
• Portability: Request a copy of your data in a portable format

7.2 GDPR Rights (EU Residents)

If you are in the European Union, you have additional rights under GDPR:

• Right to object to processing
• Right to restrict processing
• Right to withdraw consent
• Right to lodge a complaint with supervisory authorities

7.3 CCPA Rights (California Residents)

California residents have rights under the California Consumer Privacy Act:

• Right to know what personal information is collected
• Right to delete personal information
• Right to opt-out of sale (we don't sell personal information)
• Right to non-discrimination

To exercise your rights, please contact us at privacy@calculator-tools.net.

8. Children's Privacy

Calculator Tools is designed for general audiences and can be used by students of all ages for educational purposes. However, we do not knowingly collect personal information from children under 13 years of age.

For Parents and Guardians:

• Our calculators can be used without providing personal information
• We do not require registration or account creation
• If you believe we have collected information from a child under 13, please contact us immediately
• We will promptly delete any such information upon verification

Educational Use: Teachers and parents can safely use our calculators for educational purposes as no personal data is required or stored.

9. Changes to This Privacy Policy

We may update this Privacy Policy from time to time to reflect changes in our practices or legal requirements. When we make changes:

• We will update the "Last Updated" date at the top of this policy
• Significant changes will be prominently displayed on our website
• We may notify users via email for material changes (if we have your email)
• Continued use of our website constitutes acceptance of the updated policy

We encourage you to review this Privacy Policy periodically to stay informed about how we protect your information.

10. Contact Information

If you have questions, concerns, or requests regarding this Privacy Policy or our data practices, please contact us:

Data Protection Officer: For GDPR-related inquiries, you can reach our Data Protection Officer at dpo@calculator-tools.net.