Privacy Policy - GuardPDF
Last Updated: January 15, 2025
Zero Upload, Zero Storage, Zero Tracking
All PDF processing features in GuardPDF run locally in your browser. Our servers never receive, store, or access any of your file content.
How We Process Data
GuardPDF uses a fully localized processing model:
- ✓ All PDF file processing (merge, split, compress, convert, etc.) happens in your browser
- ✓ File data is only stored in your device memory and automatically cleared after processing
- ✓ Our servers do not receive, store, or analyze any files you upload
- ✓ Tools work offline when installed as a PWA
Data We Collect
To improve service quality, we only collect the following anonymous data:
Anonymous Information We Collect
- • Usage statistics (page views, tool usage frequency)
- • Browser type and version (for compatibility optimization)
- • Device type (desktop/mobile, for responsive design improvements)
We Never Collect
- ✗ Your PDF file content
- ✗ File names, sizes, or metadata
- ✗ Personal identification information (name, email, IP address, etc.)
- ✗ Account information (no registration required)
Cookies and Local Storage
We use the following local storage technologies to enhance your experience:
Language Preference
Remembers your chosen interface language (Chinese/English)
Theme Settings
Saves your light/dark theme preference