Privacy Policy
Last updated: August 2026
At CalcWise ("we," "us," or "our"), we are committed to protecting your privacy. This policy explains what information we collect, how we use it, and your rights regarding your data.
Information We Collect
Calculator Data
All calculations are performed entirely in your web browser using JavaScript. We do not collect, store, transmit, or have access to any numbers you enter into our calculators. Your financial data never leaves your device.
Automatically Collected Information
When you visit our website, we may automatically collect:
- IP address (anonymized)
- Browser type and version
- Operating system
- Referring URL
- Pages visited and time spent
- Device type (mobile, desktop, tablet)
This information is collected through standard web server logs and analytics tools to help us understand how people use our site and improve the experience.
Cookies and Tracking
Essential Cookies
We may use essential cookies required for the website to function properly (e.g., remembering your preferences). These do not track you across other websites.
Analytics
We may use privacy-respecting analytics to understand traffic patterns and popular content. This helps us decide which calculators to build and which content to improve.
Advertising
This site displays advertisements through Google AdSense to support our free tools. Google and its advertising partners may use cookies to serve ads based on your prior visits to this or other websites. You can opt out of personalized advertising by visiting Google's Ad Settings or the Network Advertising Initiative opt-out page.
How We Use Information
We use collected information to:
- Maintain and improve website performance
- Understand which calculators and content are most useful
- Display relevant advertisements to support our free service
- Respond to inquiries sent via our contact page
- Comply with legal obligations
Third-Party Services
We may use the following third-party services:
- Google AdSense: advertising display and revenue
- Vercel: website hosting and content delivery
Each of these services has its own privacy policy governing the data they collect.
Data Retention
Server logs are retained for up to 30 days and then deleted. Analytics data is retained in aggregate form. We do not maintain individual user profiles or long-term personal data stores.
Your Rights
You have the right to:
- Access any personal data we hold about you
- Request deletion of your data
- Opt out of personalized advertising
- Use our calculators without providing any personal information
Children's Privacy
Our website is not directed at children under 13. We do not knowingly collect personal information from children.
Changes to This Policy
We may update this privacy policy from time to time. Changes will be posted on this page with an updated revision date.
Contact
For privacy-related questions or requests, please contact us at hello@calcwise.tools.