Last updated: 12/7/2025
1. Information We Collect
When you use our PNG to PDF conversion service, we may collect the following information:
- Usage Data: We collect information about how you interact with our website, including pages visited, time spent on pages, and conversion activities.
- Device Information: We may collect information about your device, including browser type, operating system, and IP address.
- File Information: We collect metadata about the image files you upload, such as file size, number of images, and conversion settings.
- Performance Data: We track conversion success rates, processing times, and error logs to improve our service.
- etc.
2. How We Use Your Information
We use the collected information to:
- Provide and improve our PNG to PDF conversion services
- Analyze usage patterns to enhance user experience
- Monitor service performance and troubleshoot issues
- Generate anonymous usage statistics and analytics
- Ensure the security and integrity of our platform
- etc.
3. Data Processing and Storage
Local Processing: All PNG to PDF conversions are performed locally in your browser. Your files are never uploaded to our servers, ensuring maximum privacy and security.
Data Retention: We do not store your image files or converted PDF files.
4. Third-Party Services
We use the following third-party services that may collect additional information:
- Analytics: We use Google Analytics to understand website usage patterns
- CDN Services: We use content delivery networks to serve our PDF processing libraries (pdf-lib)
- Hosting: Our website is hosted on Railway, which may collect standard web server logs
5. Your Rights
You have the right to:
- Access the personal information we hold about you
- Request correction of inaccurate information
- Request deletion of your data
- Opt-out of data collection (though this may affect service functionality)
- Data portability
6. Cookies and Tracking
We use essential cookies to maintain your language preference and session state. We do not use tracking cookies or advertising cookies.
7. Security
We implement appropriate technical and organizational measures to protect your information against unauthorized access, alteration, disclosure, or destruction.
8. 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.
9. Contact Us
If you have any questions about this Privacy Policy, please contact us at:
Email: ouyanghuiping@gmail.com
10. Final Interpretation
The final interpretation right of this privacy agreement belongs to this website. If you have any questions, please feel free to contact us.