Privacy Policy
CalcNest AI is built privacy-first. Every calculator runs entirely in your browser; the inputs you type — your salary, your weight, your investment portfolio, your pet's medication dosage — never leave your device. We do not have servers that store your calculations. We do not sell user data. We do not build behavioral profiles. The site is free because it serves display ads via Google AdSense and earns affiliate commissions on relevant links, not because we monetize your data.
This privacy policy documents the specific data flows: what is collected, by whom, for what purpose, and how to opt out. We've tried to write it in plain English rather than legalese. If anything is unclear or you have a specific privacy question, email hello.goledigitalstudio@gmail.com and we'll explain.
Last updated: 2026
What we collect
CalcNest AI does not require accounts and does not collect personally identifiable information through our calculators. Every calculation runs in your browser. Your inputs are never sent to our servers.
Cookies and analytics
We use Google Analytics (G-GE3GT4VBBK) to understand site usage in aggregate, and Google AdSense (ca-pub-5042876919493708) to display advertisements. Both services use cookies. You can opt out of personalized advertising at Google Ads Settings.
Local storage
We store your dark mode preference and recently-visited calculators in your browser's local storage. This data never leaves your device. Clear your browser data to remove it.
Third-party links
Some pages may include affiliate links to financial products. Affiliate relationships do not affect calculator results or which calculators we feature.
How your calculations are handled
This is the most important thing to understand about CalcNest AI: every calculation runs entirely inside your own browser using JavaScript. When you type your income, weight, loan amount, or any other figure into a calculator, that number is processed on your device and never transmitted to our servers. We have no database of your inputs, no logs of your calculations, and no way to see the personal figures you enter. When you close the tab, that data is gone.
What we do not collect
We do not ask you to create an account, and we never request your name, email address, phone number, or payment details to use any calculator. We do not build advertising profiles from your calculator inputs, we do not sell or share personal data with data brokers, and we do not track you across other websites. The figures you calculate — however sensitive — stay with you.
Advertising
We display advertising through Google AdSense to keep the site free. Google and its partners may use cookies to serve ads based on your prior visits to this and other websites. Google's use of advertising cookies enables it and its partners to serve ads based on your visit to our site and other sites on the internet. You can opt out of personalized advertising by visiting Google's Ads Settings. Third-party vendors and ad networks may also serve ads on this site and may use cookies; you can review their privacy policies for more information on their practices.
Your rights and choices
You can disable cookies in your browser settings at any time, which will limit personalized advertising and analytics. You can clear local storage (which holds your dark-mode preference and recently-used calculators) through your browser's site-data controls. Because we do not collect personal information tied to your identity, there is no personal account data for us to export or delete on request — your privacy is protected by design rather than by policy.
Children's privacy
CalcNest AI is a general-audience educational tool and is not directed at children under 13. We do not knowingly collect personal information from children. Because the site requires no account and collects no personal inputs, it is structurally unable to gather identifiable information from any visitor, regardless of age.
Changes to this policy
We may update this privacy policy as the site evolves or as legal requirements change. Any changes will be posted on this page with an updated revision date. We encourage you to review this page periodically to stay informed about how we protect your privacy.
Contact
Privacy questions: hello.goledigitalstudio@gmail.com