Privacy Policy
Last updated: July 19, 2026
Overview
numvana.com provides free, browser-based calculators. Every calculation runs entirely client-side, in your own browser — the numbers you type into a calculator are never sent to or stored on any server. There are no user accounts, no sign-up, and no login on this site.
Analytics
We use Vercel Web Analytics to understand aggregate traffic patterns, such as which pages are visited and roughly how much traffic the site receives. This data is aggregated and is not used to build an individual profile of you.
Advertising
This site may display ads served by Google AdSense. Google and its advertising partners may use cookies or similar technologies to serve ads based on your prior visits to this and other websites. You can learn more about how Google uses this data, and opt out of personalized advertising, at policies.google.com/technologies/partner-sites and adssettings.google.com.
Children's privacy
This site is not directed at children under 13, and we do not knowingly collect personal information from children.
Changes to this policy
We may update this policy from time to time. Changes will be posted on this page with an updated "Last updated" date.
Contact
Questions about this policy can be sent to numvanahelp@proton.me.