Free Online Calculators

1. Information We Collect

1.1 Information You Provide

Calculator Inputs: All calculations performed on our website are done entirely in your browser (client-side). We do NOT store, transmit, or save any data you enter into our calculators. Your financial, health, or personal data entered into calculators never leaves your device.

1.2 Automatically Collected Information

When you visit our website, we automatically collect:

Log Data: IP address, browser type, operating system, referring pages, pages visited, time stamps
Device Information: Device type, screen resolution, language preferences
Usage Data: Which calculators you use, time spent on pages, navigation patterns
Location Data: General geographic location (city/country level) based on IP address

2. How We Use Your Information

We use the collected information to:

Provide Services: Operate and maintain our calculators and website
Improve User Experience: Understand how users interact with our site to make improvements
Analytics: Analyze usage patterns to optimize performance and content
Advertising: Display personalized advertisements through Google AdSense
Security: Monitor for suspicious activity and prevent fraud
Legal Compliance: Comply with applicable laws and regulations

3. Cookies and Tracking Technologies

We use cookies and similar tracking technologies to track activity on our website and store certain information. Cookies are small data files stored on your device.

Types of Cookies We Use:

Essential Cookies

Required for the website to function properly. Cannot be disabled.

Analytics Cookies (Google Analytics)

Help us understand how visitors interact with our website.

Advertising Cookies (Google AdSense)

Used to display relevant advertisements based on your interests.

Preference Cookies

Remember your settings and preferences (e.g., dark mode).

Managing Cookies: You can control cookies through your browser settings. However, disabling cookies may affect website functionality and your ability to see relevant ads.

4. Third-Party Services

We use the following third-party services:

Google Analytics

Tracks website usage and provides insights. Google's Privacy Policy:https://policies.google.com/privacy

Google AdSense

Displays advertisements on our site. Google uses cookies to serve ads based on your prior visits to our website or other websites. Learn more at:Google Ads Settings

Next.js & Vercel/Firebase

Hosting and content delivery services that may collect basic usage analytics.

5. Advertising and Personalization

We use Google AdSense to display advertisements. Google uses cookies to serve ads based on your prior visits to our website or other websites on the Internet.

Opt-Out of Personalized Advertising

You can opt out of personalized advertising by visiting:

6. Your Privacy Rights

Depending on your location, you may have the following rights:

Access: Request a copy of the personal data we hold about you
Correction: Request correction of inaccurate data
Deletion: Request deletion of your personal data
Opt-Out: Opt out of marketing communications and personalized ads
Data Portability: Request transfer of your data to another service
Objection: Object to processing of your personal data

To exercise these rights, contact us at: support@freeonlinecalculators.net

7. Data Security

We implement appropriate technical and organizational security measures to protect your personal information:

HTTPS encryption for all data transmission
Client-side calculator processing (data never sent to servers)
Regular security audits and updates
Limited data collection and retention

Important: No method of transmission over the Internet is 100% secure. While we strive to protect your data, we cannot guarantee absolute security.

8. Children's Privacy

Our website is not directed to children under the age of 13. We do not knowingly collect personal information from children under 13. If you are a parent or guardian and believe your child has provided us with personal information, please contact us at support@freeonlinecalculators.net.

9. International Users

Our website is hosted in the United States. If you access our website from outside the US, please be aware that your information may be transferred to, stored, and processed in the US. By using our website, you consent to this transfer.

10. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page and updating the "Last Updated" date. You are advised to review this Privacy Policy periodically for any changes.

11. Contact Us

If you have any questions about this Privacy Policy, please contact us: