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Privacy Policy
Last Updated: June 30, 2025
1. Introduction
Welcome to Free-Calculator.org ("we," "us," or "our"). This Privacy Policy explains how we handle information when you use our calculator tools and services. We do not collect personal identification data (e.g., name, email, address). By using Free-Calculator.org, you agree to the practices described in this policy.
2. Information We Do Not Collect
No Personal Data: We do not require registration, accounts, or personal details to use our calculators. You can access all features without providing any personal information.
No Input Storage: Calculation inputs and results are processed locally in your browser and never transmitted to our servers. Your calculations remain private on your device.
No Tracking: We do not use fingerprints, device IDs, or behavioral tracking technologies to monitor your activities.
3. Automatically Collected Data
Minimal Log Data (Non-Identifiable)
When you visit Free-Calculator.org, our server may automatically log:
- Browser type and version (e.g., Chrome, Firefox, Safari)
- Referring website or source (e.g., search engine, social media)
- Pages visited and session duration
- Approximate geographic location (country-level via IP anonymization)
- Date and time of access
4. Third-Party Services
Google Ads
To support our free service, we display advertisements via Google AdSense. Google may use cookies to:
- Serve personalized ads based on your browsing history
- Measure ad performance and effectiveness
- Prevent fraud and ensure ad quality
Google's data collection practices adhere to their Privacy Policy. You may opt out of personalized advertising through Google Ad Settings or the NAI Consumer Opt-Out.
Google Analytics
We utilize Google Analytics to analyze traffic patterns and improve our services. All collected data is anonymized through IP masking. You can opt out via the Google Analytics Opt-Out Browser Add-on.
5. Cookies and Local Storage
We employ the following technologies to enhance your experience:
- Strictly Necessary Cookies: Maintain calculator state during your session (e.g., inputs, active tabs). These are deleted when you close your browser.
- Third-Party Cookies: Implemented by Google Ads and Analytics as described above.
- Local Storage: Stores your theme preference (light/dark mode) locally on your device for future visits.
You can manage cookie preferences through your browser settings. Note that disabling cookies may affect ad relevance and certain site functionalities.
6. Children's Privacy
Free-Calculator.org complies with the Children's Online Privacy Protection Act (COPPA):
- Our services are not directed to users under 13 years of age.
- We do not knowingly collect personal information from children.
- Parents or guardians who believe their child has provided information to us may contact us for its removal.
7. Data Security
We implement industry-standard security measures to protect your information:
- All connections to our website use HTTPS encryption (TLS 1.2+)
- Regular security audits and vulnerability scanning
- Server-level firewalls and intrusion detection systems
- Automated data log purging after 30 days
8. Your Rights
Depending on your jurisdiction, you may have the following rights:
- Access: Request information about data we may hold about you
- Opt-out: Disable non-essential cookies and tracking
- Deletion: Remove locally stored preferences
- Complaint: Lodge a complaint with a supervisory authority
To exercise these rights, please contact us using the information below. We will respond to all legitimate requests within 30 days.
9. Policy Updates
We may periodically update this Privacy Policy to reflect changes in our practices or legal requirements. Material changes will be communicated through:
- A prominent site banner notification for 7 days
- Updated "Last Updated" date at the top of this policy
- Notification via email for registered users (not applicable currently)
Your continued use of Free-Calculator.org after any modifications indicates your acceptance of the revised policy.
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