Security & Privacy
Your security and privacy are our top priorities. Learn how we protect your data and documents.
100% Local Processing - Zero Data Upload
Data Protection
PDFCropper is designed with privacy-first principles to ensure your documents never leave your device:
- Local Processing: All PDF cropping and editing happens entirely on your device
- No Cloud Storage: We never upload, store, or access your documents
- No Data Collection: Your files and personal information remain completely private
- Offline Functionality: The app works completely offline after installation
- Automatic Cleanup: Temporary files are automatically deleted after processing
Mobile Security
iOS Security Features
- App Sandbox isolation prevents access to other apps' data
- iOS App Store security review and code signing
- Secure file handling using iOS security frameworks
- Face ID/Touch ID integration for app access (optional)
- Encrypted local storage for app preferences
Android Security Features
- Android permission model restricts access to device resources
- Google Play Protect scanning and verification
- Scoped storage compliance for enhanced privacy
- Biometric authentication support
- Runtime permission requests for transparency
Technical Security
Application Security
- Regular security audits and penetration testing
- Secure coding practices and code reviews
- Memory protection and buffer overflow prevention
- Input validation and sanitization
- Error handling that doesn't expose sensitive information
Network Security
- HTTPS encryption for all web communications
- Certificate pinning for API connections
- No unnecessary network requests
- Minimal data transmission (only for app updates and analytics)
User Privacy
We are committed to protecting your privacy:
- No Personal Data Collection: We don't collect names, emails, or personal information
- Anonymous Usage Analytics: Only anonymous, aggregated usage statistics (optional)
- No Tracking: We don't track your behavior or create user profiles
- No Third-Party Sharing: Your data is never shared with third parties
- GDPR Compliant: Full compliance with European privacy regulations
- CCPA Compliant: Compliance with California privacy laws
Important Security Notice
While PDFCropper processes files locally for maximum security, always ensure you're downloading the app from official sources (App Store, Google Play) to avoid malicious versions.
Vulnerability Reporting
We take security vulnerabilities seriously. If you discover a security issue:
- Please report it responsibly through our security contact
- Do not publicly disclose the vulnerability until we've addressed it
- We'll acknowledge your report within 48 hours
- We'll provide regular updates on our progress
- We may offer recognition for valid security reports
Security Updates
We regularly update PDFCropper to maintain the highest security standards:
- Automatic security updates through app stores
- Regular dependency updates and security patches
- Proactive security monitoring and threat assessment
- Compliance with latest platform security requirements
Certifications & Compliance
- SOC 2 Type II compliance (in progress)
- ISO 27001 security management standards
- OWASP Mobile Security guidelines
- Platform-specific security certifications (iOS, Android)
Security Concerns?
If you have any security concerns or questions about how we protect your data, please contact our security team.
Report Security Issue