Last updated: September 15, 2026
This privacy policy explains how CalculatorSpan (calculatorspan.com) handles information when you use our site and our browser extension.
What We Collect
CalculatorSpan does not require you to create an account or submit personal information to use any of our tools. The calculators on this site run entirely in your browser. We do not store your calculation inputs or results on our servers.
We use Google Analytics to understand how visitors use the site. This collects anonymous data such as pages visited, time spent on the site, device type, and general location at the country level. This data helps us improve the site and is not used to identify individual users.
Browser Extension
The CalculatorSpan Date & Time Tools extension for Chrome does not collect or transmit any data. It requests no browser permissions, so it cannot read your browsing history, your open tabs, or the content of any page you visit.
All calculations run locally in the extension popup on your own device. No dates, times, or any other input you enter are transmitted, logged, or stored on any server.
The extension saves two preferences in your browser’s local storage: which tab you last used, and whether you chose light or dark mode. This data never leaves your device and is removed if you uninstall the extension.
The extension contains no analytics, no tracking scripts, and no advertising. Links inside the extension open pages on calculatorspan.com, which is covered by the rest of this policy.
Google Analytics and Google AdSense use cookies to track anonymous usage data and to serve advertising. You can disable cookies in your browser settings at any time. Doing so will not affect your ability to use any of the calculators on this site.
Third Party Services
We use Google Analytics and Google AdSense, both operated by Google LLC. AdSense may use cookies to show advertising based on your prior visits to this or other websites. Google’s privacy policy is available at google.com/policies/privacy.
You can opt out of personalised advertising through Google Ads Settings.
Your Data
We do not sell, rent, or share any data with third parties beyond the services described above. We do not collect names, email addresses, or payment information from site visitors.
Contact
If you have any questions about this privacy policy, contact us at calculatorspan@gmail.com.
Changes to This Policy
We may update this policy from time to time. Any changes will be posted on this page with an updated date at the top.