1. Introduction

DataViz Pro ("we", "our", or "us") is committed to protecting your privacy. This Privacy Policy explains how we handle information when you use our data visualization platform. By using DataViz Pro, you agree to the practices described in this Privacy Policy.

2. Information We Don't Collect

Unlike traditional web applications, DataViz Pro is designed to be completely client-side. This means:

• We do not upload or store any data files you visualize
• We do not track your visualization history
• We do not collect personal information through the visualization tool
• All data processing occurs locally in your web browser
• We do not use your data for training machine learning models

3. Information We May Collect

While our core visualization features are entirely client-side, we may collect certain non-personal information for the operation and improvement of our service:

• Usage Analytics: We may collect anonymized usage data such as page views, feature usage patterns, and performance metrics to improve our service
• Error Reports: Automatic error reporting may collect technical information about your browser and device to help us fix bugs
• Device Information: Browser type, operating system, screen resolution for compatibility purposes

4. Advertising and Personalization

We may display advertisements provided by third-party advertising networks, including Google AdSense. These advertising partners may use cookies and similar technologies to serve ads based on your browsing activity. Google's advertising cookies enable it and its partners to serve ads based on your visit to our site and/or other sites on the Internet.

You may opt out of Google's personalized advertising by visiting:

5. Cookies and Tracking Technologies

Our application uses the following types of cookies:

• Essential Cookies: Required for the basic functionality of the website
• Analytics Cookies: Used to understand how visitors interact with our site (anonymized)
• Advertising Cookies: Used by third-party advertisers including Google to serve relevant ads

You can control cookie preferences through your browser settings. Note that disabling certain cookies may affect the functionality of our service.

6. Local Storage

Our application may use your browser's local storage to save preferences and settings. This data remains on your device and is not transmitted to any server. You can clear this data at any time through your browser settings.

7. Third-Party Services

Our service integrates with the following third-party services:

• OpenStreetMap: Used for map visualization tiles. When you use the map feature, your browser connects to OpenStreetMap servers. Please refer to OpenStreetMap's privacy policy for details.
• Google AdSense: Used for displaying advertisements. Google may collect data through cookies for ad personalization. See Section 4 for opt-out options.
• ECharts/Leaflet: Client-side libraries loaded from CDN. These libraries do not send your data externally.

8. Data Retention

Since all visualization data is processed locally in your browser, we do not retain any of your data on our servers. Any data you upload or create is stored only in your browser's memory and is automatically cleared when you close the browser tab or navigate away from the page. Local storage preferences persist until you manually clear them.

9. Children's Privacy

DataViz Pro 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 so we can take appropriate action.

10. Your Rights (GDPR & CCPA)

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

• Right to Access: Request information about the data we process about you
• Right to Rectification: Request correction of inaccurate data
• Right to Erasure: Request deletion of your personal data
• Right to Restrict Processing: Request limitation of data processing
• Right to Data Portability: Receive your data in a structured format
• Right to Object: Object to the processing of your personal data
• Right to Opt Out of Sale (CCPA): We do not sell personal information

To exercise any of these rights, please contact us at [email protected].

11. Data Security

We implement appropriate technical and organizational measures to protect your information. Since all data processing happens client-side, your visualization data benefits from the security of your own browser and device. However, no method of transmission over the Internet is 100% secure, and we cannot guarantee absolute security.

12. International Users

DataViz Pro is available globally. If you are accessing our service from outside the United States, please be aware that your information may be processed in accordance with the laws of your jurisdiction. By using our service, you consent to the transfer of information as described in this policy.

13. Changes to This 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. We encourage you to review this Privacy Policy periodically for any changes.

14. Contact Information

If you have questions about this Privacy Policy or our privacy practices, please contact us at [email protected].