Privacy Policy

You can use calculators without creating an account. Calculator inputs are evaluated in the application and are not saved to your account unless you choose the save action.

If you create an account, Firebase Authentication processes your sign-in identifier, authentication provider, display name, and profile image when supplied by that provider. Quanta stores an account profile and any calculations you explicitly save, including the label, calculator identifier, inputs, outputs, and timestamps.

The hosting and authentication providers may process technical request information such as IP address, browser details, timestamps, and security logs as part of operating and protecting the service.

Account information is used to authenticate you, maintain your session, enforce the free saved-calculation limit, display your dashboard, and provide account controls. Saved calculation data is used only to provide the saved-calculation feature.

Quanta does not sell saved calculation data. This launch build does not intentionally use saved calculations for advertising targeting.

Quanta uses Google Analytics 4 to understand which calculators people use and where pages perform badly. It records events such as page views, scrolls and outbound clicks, together with technical details like approximate location, device and referring site. Google sets its own cookies to do this — see the Cookie Notice for the specific names and lifetimes.

We do not send Google any account identifier, email address, or the values you type into a calculator. Analytics reporting tells us that a page was used, not who used it or what they entered.

You can opt out with Google's official browser add-on at tools.google.com/dlpage/gaoptout, or by using your browser's tracking protection or an ad blocker. Calculators work normally either way.

Firebase provides authentication and Firestore data storage, and the deployment host processes requests needed to serve the application. Those providers handle data under their own service terms and security controls.

Account profile and saved-calculation records remain until you delete them or delete your account. Operational or security logs controlled by service providers may follow those providers' retention schedules.

You can delete individual saved calculations from the dashboard. The account page also provides a delete-account action that requires recent authentication and removes the Firebase Authentication user, the account profile, and saved calculations associated with that user.

Do not enter highly sensitive personal, medical, or financial identifiers into free-form calculator fields. Calculator results are informational and are not a substitute for professional advice.

Google Analytics was enabled on 29 July 2026. Google AdSense was installed on 9 August 2026 pending account approval, and advertising cookies are described in the Cookie Notice. If billing or additional data uses are enabled later, this policy and the cookie notice will be updated before those features are activated. Material changes will be reflected by a new effective date on this page.