Privacy Policy

This policy explains what CalculatorShelf receives when you browse the site, use a calculator, or contact us. No account is required and calculator math runs in your browser.

Calculator inputs and share links

Inputs normally stay in your browser. The Share result control creates a URL whose query string contains the fields needed to recreate that scenario. Anyone who receives that URL can read those values, so do not place sensitive, medical, financial, legal, or confidential information in calculator fields or shared links.

CalculatorShelf does not intentionally store calculator inputs or result values in a visitor account. A web host, CDN, or security service may still process ordinary request data such as an IP address, user agent, timestamp, and requested URL under its own operational and retention policies.

Recently viewed calculators

To provide an account-free return path, the site stores up to four calculator identifiers in your browser's local storage. This history contains calculator names only—not inputs, results, or shared-link values—and is not sent to CalculatorShelf. You can remove it with the Clear history control on the homepage or by clearing site data in your browser.

Analytics

We use Google Analytics only after a delayed interaction or a short post-load timeout. The site sends a limited event name, a cleaned page path, and—when relevant—a calculator identifier, shelf, result count, interface surface, or local destination. Search terms, raw input values, result text, and full query strings are not sent in these events. Google may use cookies or similar identifiers according to its own policies; see Google’s policy for sites that use its services.

You can block analytics with browser privacy controls, content blockers, or network controls. Calculator functions continue to work if analytics cannot load.

Contact and requests

For a privacy question or correction request, email admin@calculatorshelf.com. Please do not send sensitive information in email. We will use contact details only to handle the request and normal site administration.

Last reviewed: 2026-08-30