🔒 Privacy Policy

Effective Date: July 23, 2025

At Excel Visualizer, we respect your privacy and are committed to protecting any personal information you provide to us. This Privacy Policy explains how we collect, use, and safeguard your data when you use our web application.

1. Information We Collect

We may collect the following types of information:

• Uploaded Data: Excel files uploaded by you for the purpose of generating charts and visual reports.
• Usage Data: Non-personal information such as chart preferences, browser type, and usage patterns for improving the app experience.
• Account Info (if applicable): Your name and email if you register or log in.

2. How We Use Your Information

Your information is used to:

• Generate charts, graphs, and visual reports from uploaded Excel data.
• Save and reload your chart configurations and project settings (if logged in).
• Improve user experience and application performance.

3. Data Storage & Retention

Uploaded files and user configurations are stored temporarily and not shared with third parties. If project data is saved under a user account, it remains private and accessible only to the user.

4. Data Security

We implement industry-standard practices to protect your data from unauthorized access, disclosure, or loss. However, no method of transmission or storage is 100% secure, so we cannot guarantee absolute security.

5. Cookies & Analytics

We may use cookies to remember user preferences and enhance the experience. Usage data may be analyzed anonymously to improve app performance.

6. Third-Party Services

We do not sell or share your data with third-party services. However, integrated libraries (e.g., Chart.js, XLSX.js) may use standard browser APIs.

7. Your Rights

You have the right to:

• Access or request deletion of your saved project data.
• Opt out of analytics tracking (if used).

8. Changes to This Policy

We may update this Privacy Policy from time to time. Changes will be posted on this page, and continued use of the app constitutes acceptance of the updated terms.

9. Contact Us

For questions or concerns regarding this policy, contact us at: excelvisualizer@gmail.com