Privacy Policy

Last updated: 2026-06-09

This Privacy Policy explains how CalcQuill ("we", "us") handles information when you visit our website. By using the site, you agree to the practices described here.

Information we collect

Our calculators run entirely in your browser — the numbers you enter are not sent to or stored on our servers. We collect standard, anonymized analytics data such as pages visited, browser type, and approximate location to understand how the site is used and to improve it.

Cookies and advertising

We use cookies to operate the site and to serve advertising. Third-party vendors, including Google, 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 to you based on your visit to this site and/or other sites on the internet.
• You may opt out of personalized advertising by visiting Google Ads Settings.
• You can also opt out of third-party vendor cookies at aboutads.info.

Third-party services

We may use Google AdSense and analytics providers. These services may collect information as described in their own privacy policies. We do not control and are not responsible for the privacy practices of third parties.

Your rights

Depending on your location, you may have rights to access, correct, or delete personal data, or to object to certain processing. Contact us via our contact page to exercise these rights.

Children's privacy

This site is not directed at children under 13, and we do not knowingly collect personal information from them.

Changes to this policy

We may update this policy from time to time. Material changes will be reflected by the "last updated" date above.