Privacy Policy
Last updated: November 8, 2025
SD6 Tools respects your privacy. This policy explains how we collect, use, and protect your information.
Fundamental principle: We do NOT collect, store, or sell ANY personally identifiable data on our servers. Your calculations and data remain private and on your device.
1. Information We Collect
Data We DO NOT Collect
We NEVER collect:
- Name, address
- Phone number or email
- Personal financial information
- Personal health data
- Your calculations and results
- Passwords or login information
- Detailed browsing history
Automatically Collected Data (Analytics)
We use analytics tools to understand how visitors use our site. Collected data is anonymous and aggregated:
Pages visited, device type, browser, operating system, language, approximate location (city/country), traffic source, site interactions.
This data helps us improve user experience, fix bugs, and optimize site performance.
IP addresses are collected in an anonymized manner to further protect your privacy.
Google Analytics 4 (GA4)
We use Google Analytics 4 to collect anonymous statistics about page visits, traffic sources, user behavior patterns, and to improve our services.
GA4 uses first-party cookies: _ga and _ga_<container-id> (both stored for 2 years) to distinguish unique users and track sessions.
Data collected includes: number of users, session statistics, approximate geolocation (city/country), browser and device information, IP address (used only to determine location, then automatically discarded), page views, and user interactions.
IP anonymization is automatic in Google Analytics 4 - IP addresses are used only to determine location data and are then discarded before being logged to any server.
User-level data is retained for a maximum of 14 months.
Data collected by Google Analytics is transferred to and processed by Google LLC in the United States under the EU-US Data Privacy Framework.
For more information about how Google uses data from sites that use their services, please visit How Google uses information from sites or apps that use our services
Microsoft Clarity
We use Microsoft Clarity to understand how users interact with our site through behavioral metrics, heatmaps, and session replay technology. This helps us improve the user experience, optimize site performance, enhance security, and prevent fraudulent activities.
Clarity uses first-party and third-party cookies along with other tracking technologies to collect behavioral data.
Anonymous data collected includes: mouse movements, clicks, scroll depth, page interactions, device information, and session recordings. No personally identifiable information is collected.
Use cases: Site optimization, user experience improvement, security monitoring, and fraud prevention.
Data is retained for 30 days according to Microsoft's retention policies.
For more information about how Microsoft processes this data, please review the Microsoft Privacy Statement. Microsoft Privacy Statement
Clarity respects your consent choices through Google Consent Mode. If you refuse analytics cookies, Clarity will not collect detailed behavioral data.
Local Storage
SD6 Tools uses your browser's local storage to save your calculation scenarios and remember your preferences.
- Data stays only on your device
- No data is sent to our servers
- You maintain full control of your data
- You can delete this data at any time through your browser settings
2. Cookies
A cookie is a small text file stored on your device by your browser when you visit a website.
Types of Cookies We Use
- Essential cookies: Remember your preferences (language, cookie consent)
- Analytics cookies: Google Analytics and Microsoft Clarity to understand how you use the site
- Advertising cookies: Google AdSense to display relevant ads
You can configure your browser to refuse all cookies or be notified when a cookie is sent. Some site features may not work properly.
3. Advertising (Google AdSense)
SD6 Tools is a free service funded by advertising. We use Google AdSense, a third-party advertising network operated by Google LLC, to display relevant ads on our site.
Google and its advertising partners (third-party vendors) use cookies to serve ads based on your prior visits to our website and other websites on the Internet.
Advertising cookies used include: _gads (stored for 13 months), and DoubleClick cookies (id, ide, dsid) to deliver personalized advertising.
Data collected for advertising purposes includes: browsing history, pages visited, interests, demographic information, device information, and interactions with ads. This data is used to show you personalized ads based on your interests and to measure ad effectiveness.
Personalized advertising requires your consent. When you accept advertising cookies through our consent banner, you authorize Google and its partners to collect and use this data for targeted advertising.
You can opt out of personalized advertising at any time by visiting Google Ad Settings or by using your browser settings to block advertising cookies. Google Ad Settings
You can also use an ad blocker or configure your browser to refuse third-party cookies.
Google is a third-party independent advertising partner. We have no control over the data they collect. For more information about how Google uses advertising data, please review Google's Privacy Policy.
4. Data Sharing with Third Parties
We only use the following third-party services: Google Analytics (statistics), Microsoft Clarity (behavioral analytics), Google AdSense (advertising), and Cloudflare (hosting).
We NEVER sell, rent, or share your personal data with third parties for commercial purposes.
We may disclose your information if required by law or in response to a subpoena or court order.
5. Data Security
- HTTPS: All communications are encrypted
- No backend server: No sensitive data stored on our servers
- Secure hosting: Cloudflare infrastructure with DDoS protection
- Verified source code: No known security vulnerabilities
Despite our efforts, no system is 100% secure. Data transmission over the Internet carries risks.
6. Your Rights
Right to access: You have the right to know what data we have about you.
Right to erasure: You can delete your data at any time by clearing your browser's local storage.
Right to object: You can object to data processing by disabling Google Analytics or personalized ads.
Right to portability: Since your data is stored locally, you already have full control.
Right to rectification: You can modify your data directly in our calculators at any time.
7. Protection of Minors
SD6 Tools is not intended for children under 13. We do not knowingly collect personal data from children.
8. GDPR Compliance (Europe)
For European Union users, we comply with the General Data Protection Regulation (GDPR).
We process your data based on your consent (cookies) and our legitimate interest (service improvement).
Under GDPR, you have the right to access, rectify, erase, restrict processing, ensure portability, object to processing, and lodge a complaint with a supervisory authority.
9. PIPEDA Compliance (Canada)
For Canadian users, we comply with the Personal Information Protection and Electronic Documents Act (PIPEDA).
10. Changes to This Policy
We may modify this privacy policy at any time. Changes are effective upon publication on this page. The last updated date will be modified accordingly.
11. Questions and Contact
For any questions regarding this privacy policy or your personal data, contact us at:
Response within 72 business hours
Simplified Summary
This summary is provided for your convenience but has no legal value.
✓ Your calculations stay on your device. No personal data collected. Google Analytics and Microsoft Clarity for anonymous statistics and behavioral insights. Secure HTTPS.
✗ No collection of personally identifiable data. No data sales. No user accounts.
→ Your calculations never leave your device. You can delete everything whenever you want.
Last updated: November 8, 2025