D2Tool

Privacy Policy

Your privacy is important to us. This policy explains how we collect, use, and protect your information when you use D2Tools.com.

Last updated: December 2024

Privacy at a Glance

No Registration Required

Use all our tools without creating an account or providing personal information.

Client-Side Processing

All calculations are performed in your browser - we don't see your data.

Minimal Data Collection

We only collect anonymous usage statistics to improve our service.

Information We Collect

1. Information You Provide

Personal Information: D2Tools.com does not require you to create an account or provide personal information to use our calculators and tools. You can use all features anonymously without registration.

Calculation Data: All calculations (mathematical operations, financial computations, unit conversions, etc.) are processed entirely in your browser. This data is never transmitted to our servers or stored by us.

2. Information We Automatically Collect

Usage Analytics: We may collect anonymous usage statistics including:

  • Pages visited and tools used
  • General geographic location (country/region)
  • Device type and browser information
  • Time spent on our website
  • Referring websites

This information is collected in aggregate form and cannot be used to identify individual users.

3. Cookies and Local Storage

We use minimal cookies and browser storage for:

  • Theme Preference: Remembering your dark/light mode choice
  • Analytics: Anonymous usage tracking (if analytics are enabled)
  • Performance: Caching for faster loading times

How We Use Your Information

Service Provision

We use collected information solely to provide and improve our calculator services, including website functionality, performance optimization, and user experience enhancement.

Analytics and Improvement

Anonymous usage data helps us understand which tools are most popular, identify potential issues, and prioritize new features that benefit our users.

We Do NOT:

  • Sell, rent, or share your information with third parties
  • Store your calculation inputs or results
  • Track individual user behavior
  • Send marketing emails or communications
  • Require personal information for service access

Data Security and Protection

Client-Side Processing

All calculator operations are performed entirely in your browser using JavaScript. Your calculation data never leaves your device or gets transmitted to our servers.

Secure Infrastructure

Our website uses HTTPS encryption to protect data transmission and is hosted on secure, regularly updated servers with industry-standard security measures.

No Data Retention

Since we don't collect personal information or store calculation data, there's minimal risk of data breaches affecting your personal information.

Your Rights and Choices

Cookie Control

You can disable cookies in your browser settings. Note that this may affect some functionality like theme preferences.

Analytics Opt-Out

You can opt out of analytics tracking using browser settings, ad blockers, or "Do Not Track" preferences.

Data Deletion

Since we don't store personal data, there's no personal information to delete. You can clear your browser's local storage to remove any saved preferences.

Third-Party Services

D2Tools.com may use third-party services for analytics, performance monitoring, or content delivery. These services may collect information according to their own privacy policies:

  • Analytics Services: For understanding website usage patterns
  • CDN Services: For faster content delivery
  • Hosting Services: For reliable website availability

We choose third-party services that respect user privacy and comply with data protection regulations.

Changes to This 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 page
  • Significant changes will be prominently displayed on our website
  • Your continued use of our services constitutes acceptance of the updated policy

We encourage you to review this policy periodically to stay informed about how we protect your privacy.

Questions About Privacy?

If you have questions about this privacy policy or how we handle your information, please don't hesitate to contact us.

Contact Us