Information You Provide

• Calculator input values (processed locally, not stored)
• Contact form submissions (name, email, message)
• Voluntary feedback and suggestions

Information Automatically Collected

• Browser type and version
• Device information and screen resolution
• IP address and approximate location
• Usage patterns and preferences (dark mode, etc.)
• Performance and error data

We use the collected information for the following purposes:

• Service Provision: To provide and maintain our calculator services
• User Experience: To personalize and improve your experience
• Communication: To respond to your inquiries and provide support
• Analytics: To understand usage patterns and improve our services
• Security: To detect and prevent fraud and security threats
• Legal Compliance: To comply with applicable laws and regulations

Important: Your calculation data is processed locally in your browser and is never transmitted to our servers or stored by us.

Local Storage

We use browser local storage to save your preferences (such as dark mode settings). This data remains on your device and is not accessible to us.

Security Measures

• HTTPS encryption for all data transmission
• Regular security audits and updates
• Limited data collection and retention
• Secure hosting infrastructure

While we implement appropriate security measures, no method of transmission over the internet is 100% secure.

Essential Cookies

We use essential cookies and local storage to:

• Remember your theme preferences (dark/light mode)
• Maintain site functionality and security
• Improve site performance and loading times

Analytics

We may use privacy-focused analytics to understand how our site is used, but this data is anonymized and cannot be used to identify individual users.

You can control cookies through your browser settings. Disabling cookies may affect site functionality.

We may use third-party services to enhance our website functionality:

• Font Services: Google Fonts for typography
• Icon Libraries: Font Awesome for interface icons
• Hosting Services: For website hosting and content delivery

These services may have their own privacy policies. We carefully select partners who maintain high privacy standards.

We do not sell, trade, or share your personal information with third parties for marketing purposes.

You have the following rights regarding your personal information:

• Access: Request information about data we have collected
• Correction: Request correction of inaccurate personal data
• Deletion: Request deletion of your personal data
• Portability: Request a copy of your data in a structured format
• Opt-out: Withdraw consent for data processing

To exercise these rights or for privacy-related questions, please contact us.

Since most of our calculations are processed locally, much of your data never leaves your device.

We retain personal information only as long as necessary to:

• Provide our services and support
• Comply with legal obligations
• Resolve disputes and enforce agreements

Contact form data is typically retained for up to 2 years unless you request earlier deletion.

Analytics data is anonymized and may be retained longer for service improvement purposes.

PercentageHub is accessible worldwide. If you are accessing our service from outside your country of residence, please note that:

• Your information may be transferred to and processed in different countries
• We comply with applicable international privacy laws
• We implement appropriate safeguards for international data transfers

By using our service, you consent to the transfer of your information as described in this policy.

PercentageHub is suitable for educational use by children under parental or teacher supervision. However:

• We do not knowingly collect personal information from children under 13
• Parents and teachers should supervise children's use of our service
• If we discover we have collected information from a child under 13, we will delete it promptly

If you are a parent or guardian and believe your child has provided personal information, please contact us.

We may update this Privacy Policy from time to time to reflect:

• Changes in our practices or services
• Legal or regulatory requirements
• User feedback and suggestions

When we make significant changes, we will notify users through:

• A notice on our website
• Email notification (if we have your email)
• Updated "Last modified" date

Last updated: December 2024