Privacy Policy

1. Introduction

Welcome to OnlineCalc. We respect your privacy and are committed to protecting your personal data. This privacy policy explains how we handle your information when you use our website and calculators.

2. Information We Collect

2.1 Information You Provide

OnlineCalc does not require you to create an account or provide personal information to use our calculators. All calculations are performed locally in your browser.

2.2 Automatically Collected Information

• Browser Information: Browser type, version, and operating system
• Usage Data: Pages visited, time spent, and navigation patterns
• IP Address: For currency detection in finance calculators (via ipapi.co)
• Local Storage: Recent calculator history stored locally on your device

3. How We Use Your Information

We use the collected information for the following purposes:

• To provide and maintain our calculator services
• To improve user experience and functionality
• To detect currency based on your location (finance calculators only)
• To analyze usage patterns and improve our services
• To prevent fraud and ensure security

4. Local Storage

OnlineCalc uses browser local storage to save your recent calculator history and preferred currency settings. This data is stored only on your device and is not transmitted to our servers. You can clear this data at any time through your browser settings.

5. Third-Party Services

5.1 Currency Detection

We use ipapi.co for automatic currency detection based on your IP address. Please refer to their privacy policy for more information about how they handle your data.

5.2 Analytics

We may use analytics services to understand how our website is used. These services may collect information about your visits, but we do not link this data to any personally identifiable information.

6. Data Security

We implement appropriate security measures to protect your data. However, no method of transmission over the internet is 100% secure. All calculations are performed client-side in your browser, ensuring that sensitive information never leaves your device.

7. Cookies

OnlineCalc uses minimal cookies and browser storage for essential functionality such as saving your preferred currency and recent calculator history. We do not use cookies for advertising or tracking purposes.

8. Children's Privacy

OnlineCalc is suitable for all ages. We do not knowingly collect personal information from children under 13. Our calculators can be used without providing any personal information.

9. Your Rights

You have the right to:

• Access any information we have collected
• Clear your local storage data through browser settings
• Opt-out of analytics tracking (via browser settings or extensions)
• Request information about our data practices

10. Changes to This Policy

We may update this privacy policy from time to time. We will notify users of any significant changes by posting the new policy on this page and updating the "Last Updated" date.

11. Data Retention

Since we do not collect or store personal information on our servers, there is no data retention policy. All data stored in your browser's local storage remains until you clear it manually.

12. Contact Us

If you have any questions about this privacy policy or our data practices, please contact us. We take privacy concerns seriously and will respond to all legitimate requests.