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Privacy Policy

Last updated: December 2024

1. Information We Collect

Files You Upload:

• We temporarily process PDF files you upload for compression
• Files are automatically deleted from our servers after processing (typically within 1 hour)
• We do not store, access, or retain your uploaded documents

Automatically Collected Information:

• IP address (for rate limiting and abuse prevention)
• Browser type and version
• Device information (mobile, desktop)
• Usage statistics (files processed, compression ratios) - aggregated and anonymous
• Website analytics data (page views, session duration)

Cookies and Local Storage:

• Compression history (stored locally in your browser only)
• User preferences and settings
• Google AdSense advertising cookies

2. How We Use Your Information

File Processing:

• To compress your PDF files using our compression algorithms
• To provide download links for compressed files
• To display compression statistics and results

Service Improvement:

• To monitor service performance and reliability
• To prevent abuse and enforce rate limits
• To analyze usage patterns (anonymized data only)

Advertising:

• To serve relevant ads through Google AdSense
• To measure ad performance and effectiveness

3. Data Storage and Security

File Security:

• All file uploads use secure HTTPS encryption
• Files are processed in isolated, temporary environments
• Automatic deletion of all uploaded files after processing
• No permanent storage of user documents

Data Protection:

• Industry-standard security measures
• Regular security updates and monitoring
• Limited access to user data (only for technical maintenance)

4. Third-Party Services

Google AdSense:

• We use Google AdSense to display advertisements
• Google may collect data for ad personalization
• You can opt out at Google Ad Settings

Analytics:

• We may use analytics services to understand site usage
• Data is aggregated and anonymized
• No personally identifiable information is shared

5. Your Rights and Choices

You Have the Right To:

• Access information about data we collect
• Request deletion of any stored data
• Opt out of advertising personalization
• Clear your browser's local storage at any time

Your Choices:

• Use browser incognito/private mode for extra privacy
• Disable cookies in your browser settings
• Use ad blockers (though this supports our free service)

6. Data Retention

• Uploaded Files: Deleted immediately after processing (max 1 hour)
• Usage Statistics: Retained indefinitely (anonymized only)
• Server Logs: Retained for 30 days maximum
• Local Storage: Under your control (stored in your browser)

7. International Users

GDPR Compliance (EU Users):

• Lawful basis: Legitimate interest for service provision
• Data minimization: We collect only necessary data
• Right to erasure: Contact us for data deletion requests
• Data portability: Export your compression history anytime

CCPA Compliance (California Users):

• Right to know what personal information is collected
• Right to request deletion of personal information
• Right to opt out of sale of personal information (we don't sell data)

8. Children's Privacy

CompreXO does not knowingly collect personal information from children under 13. If we become aware of such collection, we will delete the information immediately.

9. Changes to This Policy

We may update this privacy policy occasionally. Changes will be posted on this page with an updated "Last modified" date. Continued use constitutes acceptance of changes.

10. Contact Information

For privacy questions or concerns:

• Email: privacy@comprexo.com
• Response time: Within 48 hours
• Data deletion requests: Processed within 7 days

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