We collect very limited information, primarily to improve the website’s functionality and understand general usage patterns. We do not collect any personal data that you enter into the calculators.

• Calculation Data: All calculations you perform on NimbusCalc happen directly in your web browser (client-side). The numbers you enter and the results are processed instantly on your device. We do not have servers that receive, process, or store your input or results. This data never leaves your computer or phone.
• Local Storage Data: To provide you with features like “Save History” or “Preferred Units,” we use your browser’s local storage (a small space on your device). Your recent calculation history, unit preferences, or theme choices are stored locally on your own device. This data stays on your computer or phone and is not accessible to us. You can clear this history at any time by clearing your browser’s local data (see your browser settings).
• Server Logs & Technical Data: Like all websites, our hosting provider automatically records standard server log files when you visit. This may include:
  • Your IP address (anonymized in logs where possible).
  • Browser type and version, device operating system.
  • Pages you visit, date and time of access, referral source.
  • These logs are used strictly for security (e.g., detecting attacks), troubleshooting, and aggregate site usage analysis. Logs are retained temporarily (typically up to 30 days) and then deleted. IP addresses are not linked to any other information.
• Usage and Analytics Data: We use third-party analytics tools (such as Google Analytics) to understand how visitors use our site. This information is aggregated and anonymous. It may include:
  • Pages visited, time spent, and interactions with calculators.
  • The type of browser, device, and approximate geographic region (city/country level, not precise location).
  • This data helps us improve our calculators and user experience. It does not identify you personally. Analytics providers may set their own cookies or tracking technologies, subject to their privacy policies.

The limited information we collect (or our service providers collect on our behalf) is used for the following purposes:

• To Operate and Improve the Site: Understand which calculators are popular, identify bugs, and enhance performance and usability.
• To Provide Local Features: Enable “Save History,” unit preferences, and theme choices via your browser’s local storage.
• For Security and Maintenance: Monitor for and fix technical issues, protect against fraudulent or malicious use.
• Analytics & Aggregated Insights: Generate anonymous statistics about overall usage patterns; no personal data is extracted from these reports.

We may use cookies or similar technologies to support analytics and remember your preferences (like your chosen units).

• Essential/Functional Cookies: These are necessary for the website to function, e.g., remembering your unit preferences during a session. They are usually session-based and do not contain personally identifiable information.
• Analytics Cookies: These cookies help us count visits and traffic sources so we can measure and improve the performance of our site. They help us know which pages are the most and least popular. All information these cookies collect is aggregated and therefore anonymous.
• Managing Cookies: You can control and manage cookies through your browser settings. Please note that removing or blocking essential cookies could impact your user experience (e.g., unit preferences may reset). For analytics cookies, you can opt out via Google Analytics Opt-out Browser Add-on or your browser’s cookie controls.

We use the following third-party services, which have their own privacy policies:

• Analytics Providers: We use Google Analytics to understand site usage. Google Analytics collects information anonymously and reports website trends. You can learn about Google’s practices by visiting the Google Privacy & Terms page.
• Hosting Provider: Our website is hosted by a third-party provider (e.g., Vercel, Netlify, or similar). Their servers automatically record certain log file information, such as your IP address, browser type, and the date/time of your request. This is standard practice for all websites and is necessary for security and operational purposes. Our hosting provider is contractually obliged to process this data only on our behalf and cannot use it for their own purposes.

We do not sell, trade, or rent your personal information to anyone. We do not share your calculation data (which we never receive) or any personally identifiable information with third parties for marketing or advertising.

We take reasonable measures to protect the information we handle from loss, theft, misuse, and unauthorized access. However, please remember that no method of transmission over the Internet or method of electronic storage is 100% secure. While we implement industry-standard safeguards (such as HTTPS encryption for all data transmitted between your browser and our servers), any information you voluntarily provide (e.g., via email) is done at your own risk.

Our website is not directed to children under the age of 13. We do not knowingly collect any personal information from children. If you are a parent or guardian and believe your child has provided us with any information (e.g., through email contact), please contact us so we can delete it. Because our calculators do not collect or store any personal data, children can safely use them without disclosing personal information.

Our website is hosted and operated primarily from servers located in the United States / European Union. If you are accessing our site from outside this region, please be aware that your information (such as anonymized analytics and server logs) may be transferred to and stored in countries where data protection laws may differ from those in your country of residence. By using our site, you consent to such transfers. We take steps to ensure that any transferred data is adequately protected (e.g., using Standard Contractual Clauses with our service providers).

Depending on your location, you may have specific rights regarding your personal information. Since we do not collect personal data through our calculators, there is very little information we could hold about you. However, you have the right to:

• Access: Request information about the data we hold about you (primarily server logs or contact correspondence).
• Deletion: Request that we delete any data we might hold about you (e.g., if you contacted us via email, we can delete that correspondence).
• Opt-Out: Opt-out of analytics data collection. This is typically done by using browser settings, cookie consent tools, or opt-out tools provided by analytics services (like the Google Analytics Opt-out Browser Add-on).
• Non-Discrimination: We will not discriminate against you for exercising any of your privacy rights.

For California residents (CCPA): We do not sell your personal information. The categories of personal information we may have collected in the past 12 months (solely server logs and correspondence) include identifiers like IP address and internet activity. We retain this only as described in section 1.

To exercise any of these rights, please contact us using the information below. We will respond in accordance with applicable data protection laws.

• Server logs: Retained for up to 30 days for security and diagnostic purposes, after which they are permanently deleted.
• Local storage data (on your device): Retained by your browser until you manually clear it. We have no control over and no access to this data.
• Analytics data: Retained by Google Analytics according to their data retention policies (we have configured it to anonymize IPs and retain data for a standard period, typically 14-26 months).
• Correspondence: If you email us, we retain your email and our replies only as long as necessary to address your query, and then delete it securely.

We may update this Privacy Policy from time to time. We will notify you of any significant changes by posting the new Privacy Policy on this page and updating the “Last Updated” date. We encourage you to review this policy periodically.