Home/Cookie Policy
Cookie Transparency

Cookie Policy

Last updated: November 1, 2026

CalcHub uses cookies and related browser technologies (such as HTML5 LocalStorage) to keep tools running fast, maintain personal preferences, and gather operational telemetry. Below is an overview of how we handle cookies and how you can manage them.

Cookie Categories Used on CalcHub

КатегоріяПризначенняТермін діїСтатус
Strictly NecessaryEssential for standard navigation, UI language persistence, and security controls. The service cannot operate properly without them.Session to 1 year Обов'язкові
Functionality & PreferencesSaves bookmarked calculators (via local browser storage) and custom calculator preferences directly on your own device.Persistent on local deviceОпціональні
Analytics & TelemetryAggregates non-personally identifiable metrics on page load times and popular calculation features to refine performance.Up to 2 yearsОпціональні

1. What are cookies?

Cookies are small text fragments sent to your web browser by a website you visit. They help the site remember information about your visit, such as preferred language settings, to make your next visit simpler and faster.

2. HTML5 Local Storage

Unlike cloud-stored profiling systems, CalcHub stores your favorite bookmarks solely in your browser's private HTML5 LocalStorage space. This information is never uploaded or tracked on our external servers.

3. Controlling Cookies in Your Browser

You can adjust your browser settings to decline all cookies or to alert you when a cookie is placed on your system:

  • Google Chrome: Settings → Privacy and Security → Third-party cookies;
  • Mozilla Firefox: Settings → Privacy & Security → Cookies and Site Data;
  • Apple Safari: Preferences → Privacy → Manage Website Data;
  • Microsoft Edge: Settings → Cookies and Site Permissions → Manage and delete cookies.

4. Relationship to Privacy Policy

For a comprehensive description of our data privacy practices and your rights under GDPR, please consult our dedicated Privacy Policy page.