Privacy Policy
Last updated: July 2026
Valuation Guru ("we," "our," or "us") operates the IRR Calculator website located at finance-tools.io. This Privacy Policy explains how we handle information when you use our tools and visit our site.
Our Core Privacy Principle
The IRR Calculator runs entirely in your browser. All calculations are performed client-side using JavaScript. No financial data, investment amounts, cash flow figures, or calculation results are ever transmitted to our servers or any third party. Your financial information stays on your device.
Information We Collect
Automatically Collected Information
Like most websites, we may collect standard server log information when you visit our pages, including:
- Browser type and version
- Operating system
- Referring URL
- Date and time of visit
- Pages viewed
- Approximate geographic location (country/city level from IP address)
This information is used for analytics, security, and improving our website. It is not linked to any personally identifiable information.
Cookies and Advertising
We may use cookies and similar technologies to:
- Understand how visitors use our site
- Display relevant advertisements (if ads are enabled)
- Prevent fraud and abuse
If and when we display ads from third-party ad networks (such as Google AdSense), those networks may use cookies to serve ads based on your prior visits to this and other websites. You can opt out of personalized advertising by visiting Google's Ads Settings.
Information You Voluntarily Provide
If you contact us via email or a contact form, we will receive the information you provide (such as your name and email address). This information is used solely to respond to your inquiry and is not shared with third parties.
How We Use Information
- To operate and maintain our website and tools
- To improve our calculators and content based on usage patterns
- To protect our website from abuse and security threats
- To comply with legal obligations
Data Sharing
We do not sell, trade, or transfer your personal information to third parties. We may share anonymized, aggregated data with analytics providers. If we display third-party advertisements, ad networks may collect browsing data through cookies as described above.
Data Retention
Server logs are retained for a maximum of 12 months before being anonymized or deleted. No financial data entered into the IRR calculator is stored or retained by us.
Third-Party Links
Our website may contain links to third-party websites. We are not responsible for the privacy practices of those sites. We encourage you to review their privacy policies before providing any information.
Children's Privacy
Our services are not directed to children under the age of 13. We do not knowingly collect personal information from children under 13.
Changes to This Policy
We may update this Privacy Policy from time to time. Changes will be posted on this page with an updated "Last updated" date. We encourage you to review this policy periodically.
Contact
If you have questions about this Privacy Policy or our data practices, please contact us through the information provided on our About page.