Privacy Policy
Last updated: February 17, 2026
TL;DR: CalcPro respects your privacy. We don't sell your data. We use cookies for analytics and to improve your experience. You can use our calculators without providing any personal information.
1. Information We Collect
1.1 Information You Provide
CalcPro calculators work entirely in your browser. When you use our calculators:
- Calculator inputs: Numbers, dates, and other data you enter are processed locally in your browser and are not sent to our servers.
- Saved calculations: If you save calculations, they're stored in your browser's local storage only (not on our servers).
- Contact information: If you contact us via email, we collect your email address and message content.
1.2 Information We Collect Automatically
When you visit CalcPro, we automatically collect:
- Usage data: Pages visited, calculators used, time spent, device type, browser type
- Technical data: IP address, browser version, operating system, referral source
- Analytics data: We use Google Analytics to understand how visitors use our site
2. How We Use Your Information
We use collected information to:
- Provide and improve our calculators: Ensure they work correctly and add requested features
- Analyze usage patterns: Understand which calculators are popular and how to improve
- Fix technical issues: Debug errors and optimize performance
- Display advertisements: Show relevant ads via ad networks (Ezoic, Google AdSense)
- Respond to inquiries: Answer questions you send us
- Comply with legal obligations: When required by law
We do NOT:
- ❌ Sell your personal information to third parties
- ❌ Store your calculator inputs on our servers
- ❌ Share your data with third parties (except service providers listed below)
- ❌ Send you marketing emails (we don't collect emails unless you contact us)
4. Third-Party Services
We use the following third-party services:
4.1 Analytics
- Google Analytics: Tracks site usage and visitor statistics. Privacy Policy
4.2 Advertising
- Ezoic: Ad management and optimization. Privacy Policy
- Google AdSense: Display advertising. Privacy Policy
Ad networks may use cookies to show personalized ads based on your browsing. You can opt out of personalized ads: AdChoices
4.3 Hosting
- Vercel: Website hosting and CDN. Privacy Policy
These third parties have their own privacy policies. We are not responsible for their practices.
5. Data Storage and Security
5.1 Where Your Data is Stored
- Calculator inputs: Stored locally in your browser only (localStorage). We never see or store this data.
- Analytics data: Stored by Google Analytics (servers in US/EU)
- Website files: Hosted on Vercel servers (global CDN)
5.2 How We Protect Your Data
- ✅ HTTPS encryption for all traffic
- ✅ Secure hosting infrastructure (Vercel)
- ✅ No storage of sensitive calculator inputs on servers
- ✅ Regular security updates
5.3 Data Retention
- Calculator data: Stored in your browser until you clear it
- Analytics data: Retained by Google for 26 months
- Server logs: Retained for 30 days
Note: While we implement security measures, no internet transmission is 100% secure. Use at your own risk for highly sensitive calculations.
6. Your Rights
Depending on your location, you may have these rights:
6.1 GDPR Rights (EU/EEA)
- Access: Request a copy of data we hold about you
- Rectification: Correct inaccurate data
- Erasure: Request deletion of your data
- Restriction: Limit how we use your data
- Portability: Receive your data in a structured format
- Object: Object to processing of your data
- Withdraw consent: Withdraw consent for data processing
6.2 CCPA Rights (California)
- Know: What personal information we collect
- Delete: Request deletion of your personal information
- Opt-out: Opt out of sale of personal information (we don't sell data)
- Non-discrimination: Equal service regardless of privacy choices
6.3 How to Exercise Your Rights
To exercise these rights, email us at: privacy@calcpro.io
We'll respond within 30 days.
7. Children's Privacy
CalcPro is a general audience site. We do not knowingly collect personal information from children under 13. Our calculators can be used by anyone, including students, but we do not target children specifically.
If you believe we've collected information from a child under 13, please contact us immediately at privacy@calcpro.io
8. Changes to This Privacy Policy
We may update this policy occasionally. Changes will be posted on this page with an updated "Last updated" date. Significant changes will be announced on our homepage.
Continued use of CalcPro after changes means you accept the updated policy.
9. Contact Us
Questions about this privacy policy or your data?
For EU/EEA residents: If you're not satisfied with our response, you can lodge a complaint with your local data protection authority.
This privacy policy is effective as of the date stated at the top of this page. This policy applies only to CalcPro.io and not to any third-party websites linked from our site.