Privacy Policy

This Privacy Policy describes how calczone.app ("we", "our", or "us") collects, uses, and protects your information when you use our Service.

We are committed to protecting your privacy and ensuring you have a positive experience on our website. This policy outlines our data collection practices and explains your rights regarding your personal information.

Information We DO NOT Collect:

• Personal calculation inputs (numbers, values, results)
• Personal identification information (name, email, address)
• Financial data or sensitive personal information
• User accounts or registration data

Information We MAY Collect:

• Usage Analytics: Anonymous data about which calculators are used most frequently
• Technical Information: Browser type, device type, and general location (country/region) for optimization
• Performance Data: Page load times and error reports to improve service quality

Local Processing: All calculator operations are performed entirely within your web browser using JavaScript. This means:

• Your calculation inputs never leave your device
• Results are computed locally and not transmitted to our servers
• No calculation data is stored on our servers
• You can use our calculators offline once the page is loaded

URL Parameters: Some calculators support URL parameter sharing for convenience. When you share a calculator URL with parameters, the values are included in the URL itself, not stored on our servers.

Essential Cookies:

We may use essential cookies that are necessary for the website to function properly, such as:

• Session management and security
• Remembering your preferences (like unit systems)
• Ensuring proper website functionality

Analytics Cookies:

We may use anonymous analytics to understand how our service is used:

• Which calculators are most popular
• General usage patterns to improve user experience
• Technical performance metrics

What We Don't Use:

• Advertising cookies or tracking pixels
• Third-party advertising networks
• Social media tracking
• Cross-site tracking or fingerprinting

calczone.app may use the following third-party services:

Web Analytics:

We may use privacy-focused analytics services to understand website usage. These services:

• Collect only anonymous, aggregated data
• Do not track individual users
• Respect Do Not Track browser settings
• Comply with privacy regulations like GDPR

Content Delivery:

We may use content delivery networks (CDNs) to improve website performance. These services may collect basic technical information like IP addresses for security and performance purposes.

We implement appropriate security measures to protect against unauthorized access, alteration, disclosure, or destruction of information:

• HTTPS Encryption: All data transmission is encrypted using SSL/TLS
• Secure Hosting: Our website is hosted on secure, regularly updated servers
• Minimal Data Collection: We minimize data collection to reduce privacy risks
• Regular Security Reviews: We regularly review and update our security practices

Since we don't store your calculation data, there's no risk of your personal calculations being compromised in a data breach.

You have the following rights regarding your privacy:

Browser Controls:

• Disable cookies in your browser settings
• Use private/incognito browsing mode
• Enable Do Not Track settings
• Clear your browser data at any time

Data Requests:

Since we don't collect personal data, there's typically no personal information to:

• Access or download
• Correct or update
• Delete or remove

If you have concerns about any data we might have collected, please contact us using the information provided below.

calczone.app is designed to be safe for users of all ages, including children under 13. Since we don't collect personal information, our service is inherently compliant with children's privacy regulations like COPPA.

Parents and guardians can feel confident that their children's privacy is protected when using our calculators for educational purposes.

calczone.app is accessible worldwide. Our privacy practices are designed to comply with major privacy regulations including:

• GDPR (European Union)
• CCPA (California, USA)
• PIPEDA (Canada)
• Other applicable privacy laws

Since we minimize data collection and process calculations locally, we inherently provide strong privacy protection regardless of your location.

We may update this Privacy Policy from time to time to reflect changes in our practices or for other operational, legal, or regulatory reasons.

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
• Your continued use of the service constitutes acceptance of the updated policy

If you have any questions about this Privacy Policy or our privacy practices, please contact us:

We will respond to privacy-related inquiries within a reasonable timeframe.