Privacy Policy

Client-Side Processing

All CalcHub tools run entirely in your browser. When you use a calculator, converter, or any other tool, your input data is processed locally on your device. No user data is sent to our servers for computation.

Data We Collect

We collect minimal, anonymized analytics data to understand how our tools are used and to improve the service. This may include:

• Pages visited and general usage patterns
• Browser type and device category (desktop/mobile)
• Approximate geographic region

We do not collect:

• Personal information (names, emails, addresses)
• Tool input or output data
• IP addresses (anonymized before storage)
• Any data you enter into our tools

Cookies

CalcHub may use cookies for analytics purposes only. We use:

• Analytics cookies — to track anonymous site usage via Google Analytics (if configured). These help us understand which tools are most useful.
• Preference cookies — to remember your theme (dark/light mode) and language selection.

We do not use advertising cookies or tracking pixels.

Third-Party Services

We may use the following third-party services:

• Google Analytics — for anonymous usage statistics (if configured). Google's privacy policy applies to the data they collect.
• CDN providers — for fast content delivery. These services may log access data according to their own privacy policies.

No Accounts or Personal Data Storage

CalcHub does not require user accounts. There is no registration, login, or profile system. We do not store any personal data on our servers.

Children's Privacy

CalcHub does not knowingly collect personal information from children. Since we do not collect personal data from any users, this applies equally to users of all ages.

Changes to This Policy

We may update this privacy policy from time to time. Any changes will be posted on this page with an updated revision date.

Contact

If you have questions about this privacy policy, please reach out at contact@calchub.top.