1. Introduction

Welcome to PDFStack ("we," "our," or "us"). We are committed to protecting your privacy and ensuring the security of your personal information. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our PDF tools and services.

PDFStack provides a comprehensive suite of PDF tools including conversion, editing, merging, splitting, compression, and security features. We process your files securely and do not store your documents permanently on our servers.

2. Information We Collect

2.1 Personal Information

We may collect the following types of personal information:

• Contact information (name, email address) when you contact us
• Usage data and analytics to improve our services
• Device information and browser data for technical support
• IP address and location data for security purposes

2.2 File Data

When you use our PDF tools, we temporarily process your files:

• PDF files and documents you upload for processing
• File metadata (size, type, creation date)
• Processing results and converted files
• Text content extracted from PDFs for analysis

3. How We Use Your Information

We use your information for the following purposes:

• Service Provision: To provide PDF conversion, editing, and processing services
• File Processing: To convert, edit, merge, split, or secure your PDF documents
• Technical Support: To assist you with technical issues and service improvements
• Security: To protect against fraud, abuse, and security threats
• Analytics: To understand usage patterns and improve our tools
• Communication: To respond to your inquiries and provide updates

4. Data Security and Protection

We implement comprehensive security measures to protect your data:

• Encryption: All data transmission uses HTTPS/SSL encryption
• Secure Processing: Files are processed in secure, isolated environments
• No Permanent Storage: Your files are automatically deleted after processing
• Access Controls: Strict access controls limit who can view your data
• Regular Audits: We regularly audit our security practices
• Compliance: We follow industry best practices and standards

5. Data Retention and Deletion

We follow strict data retention policies:

• File Data: Uploaded files are deleted within 24 hours of processing
• Processing Logs: Technical logs are retained for 30 days for security purposes
• Analytics Data: Aggregated usage data may be retained for service improvement
• Contact Information: Retained only as long as necessary for communication

6. Third-Party Services and Sharing

We may use third-party services to provide our PDF tools:

• Cloud Processing: Secure cloud services for file processing
• Analytics: Anonymous usage analytics to improve our services
• Security: Security services to protect against threats
• Support: Customer support tools and communication platforms

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

7. Your Privacy Rights

You have the following rights regarding your personal information:

• Access: Request access to your personal information
• Rectification: Correct inaccurate or incomplete information
• Erasure: Request deletion of your personal information
• Portability: Receive your data in a structured format
• Restriction: Limit how we process your information
• Objection: Object to certain types of processing
• Withdrawal: Withdraw consent at any time

8. Cookies and Tracking Technologies

We use cookies and similar technologies to:

• Remember your preferences and settings
• Analyze website traffic and usage patterns
• Improve website functionality and performance
• Provide personalized content and features

You can control cookie settings through your browser preferences.

9. International Data Transfers

Your information may be transferred to and processed in countries other than your own. We ensure appropriate safeguards are in place to protect your data during international transfers, including standard contractual clauses and adequacy decisions.

10. Children's Privacy

Our services are not directed to children under 13 years of age. 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.

11. Changes to This Privacy 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
• Updating the "Last updated" date
• Sending you an email notification for significant changes
• Displaying a notice on our website

12. Contact Us

If you have any questions about this Privacy Policy or our data practices, please contact us:

13. Legal Compliance

This Privacy Policy complies with applicable privacy laws including:

• General Data Protection Regulation (GDPR)
• California Consumer Privacy Act (CCPA)
• Personal Information Protection and Electronic Documents Act (PIPEDA)
• Other applicable privacy and data protection laws