Last updated: July 2026
SwiftCalcTools ("we", "us", or "our") operates the website swiftcalctools.com. This page explains how we handle data when you use our free online calculators and tools.
Data We Collect
We use Google Analytics 4 to collect anonymised, aggregated usage data including pages visited, session duration, device type, and country. We do not collect personally identifiable information unless you voluntarily contact us via email.
How Calculations Work
All calculator and converter logic runs entirely in your browser (client-side JavaScript). No values you enter into any tool are transmitted to our servers or stored anywhere. Your financial, health, or personal data stays on your device.
Cookies
We use cookies set by Google Analytics to understand aggregate traffic patterns. We also serve display advertising through Adsterra, which may use cookies or similar tracking technologies to show relevant ads. You can opt out of interest-based advertising through your browser settings or via the NAI opt-out tool.
Advertising
We use Adsterra to display native advertisements. Adsterra may collect anonymised data about your visits to serve relevant ads. We do not share personally identifiable information with advertisers.
Third-Party Links
Some tool pages link to external websites. We are not responsible for the privacy practices of third-party sites.
Changes to This Policy
We may update this Privacy Policy. The "Last updated" date at the top reflects the most recent revision. Continued use of the site after changes constitutes acceptance.
Contact
Questions about this Privacy Policy? Contact us at [email protected].