Privacy Policy
Your privacy is important to us. This policy explains how US5 Tools collects, uses, and protects your information when you use our online calculation tools.
Last Updated: January 5, 2025
Privacy at a Glance
No Data Storage
Your calculations are processed locally in your browser and never stored on our servers.
No Tracking
We don't track your usage patterns or build profiles based on your calculations.
Secure & Private
All communications are encrypted with HTTPS for your security and privacy.
Information We Collect
What We Do NOT Collect:
- Personal identification information (names, addresses, phone numbers)
- Calculation data or mathematical inputs you enter
- Results or outputs from any of our tools
- User accounts or registration information
- Financial or health information
What We May Collect:
- Anonymous usage statistics (page views, popular tools)
- Technical information (browser type, device type, screen resolution)
- General geographic information (country/region, not specific location)
- Error logs for debugging and service improvement
How We Use Information
Any information we collect is used solely for the following purposes:
- Service Improvement: Understanding which tools are most popular helps us prioritize improvements
- Technical Optimization: Browser and device information helps us ensure compatibility
- Security: Monitoring for abuse and ensuring service reliability
- Analytics: Anonymous usage patterns help us improve user experience
🔒 Important: We never sell, share, or monetize any user data. Our revenue comes from advertising, not from your personal information.
Cookies and Local Storage
Essential Cookies:
We use minimal cookies necessary for the website to function properly:
- Session cookies for maintaining calculator state during your visit
- Preference cookies for remembering your settings (theme, units, etc.)
- Security cookies for protecting against spam and abuse
Local Storage:
Some tools may use your browser's local storage to remember your preferences (like calculator history or preferred units). This data never leaves your device and can be cleared at any time through your browser settings.
Third-Party Cookies:
We may use Google Analytics and advertising services that place their own cookies. You can opt out of these through your browser settings or use ad blockers.
Data Security
- HTTPS Encryption: All data transmission is encrypted using industry-standard SSL/TLS
- Client-Side Processing: Most calculations happen in your browser, not on our servers
- No Data Retention: We don't store your calculation inputs or results
- Regular Security Updates: Our systems are regularly updated with security patches
- Access Controls: Limited access to any collected data, with strict security protocols
🛡️ Your calculations are processed locally in your browser whenever possible, meaning your sensitive data never travels over the internet.
Third-Party Services
We may use the following third-party services to improve our website:
Google Analytics
Helps us understand how visitors use our site. Data is anonymized and aggregated.
Google Privacy Policy
Google AdSense
Displays relevant advertisements to support our free service.
Google Ads Privacy Policy
Cloudflare
Provides security and performance optimization for our website.
Cloudflare Privacy Policy
Your Rights and Choices
- Browser Controls: You can disable cookies and clear local storage through your browser settings
- Ad Preferences: You can opt out of personalized advertising through Google Ad Settings
- Data Deletion: Since we don't store personal data, there's nothing to delete from our servers
- Access Requests: You can request information about any data we might have collected
- Opt-Out: You can opt out of analytics tracking using browser extensions or settings
How to Control Your Privacy:
- Use private/incognito browsing mode
- Install ad blockers and privacy extensions
- Disable JavaScript (though this will limit functionality)
- Clear cookies and local storage regularly
Children's Privacy
Our services are designed for general audiences and do not knowingly collect personal information from children under 13 years of age. If you believe a child has provided us with personal information, please contact us immediately.
Parents and guardians can safely allow children to use our calculation tools as no personal data is collected or stored during normal usage.
Changes to This Privacy Policy
We may update this Privacy Policy from time to time to reflect changes in our practices or for legal and regulatory reasons. We will post any changes on this page and update the "Last Updated" date above.
For significant changes that affect how we handle your information, we may provide additional notice through our website.
Contact Us
If you have any questions about this Privacy Policy or our privacy practices, please contact us:
Quick Response Promise: We aim to respond to all privacy-related inquiries within 48 hours during business days.