Two Ways to Protect Your Files
🔒 Zero-Knowledge Encryption (Beta)
For maximum privacy, enable zero-knowledge encryption when uploading:
- True privacy - Files are encrypted in your browser before upload
- We never see your files - Even we cannot access your content
- End-to-end secure - Only you and recipients with the password can decrypt
- Browser-based - No software installation required
Perfect for: Sensitive documents, personal photos, confidential data
🛡️ Standard Encryption (Default)
Robust encryption protection based on OWASP standards:
- Instant encryption - Files protected immediately upon upload
- Advanced security - XChaCha20-Poly1305 encryption
- Password protected - Only accessible with your password
- Faster uploads - Optimized for quick sharing
Perfect for: General file sharing, quick transfers, everyday use
Your Privacy Matters
We Collect Almost Nothing
Unlike other file sharing services, we respect your privacy:
- No account required - Share files without registration
- No tracking - We don't use analytics or advertising
- No cookies - Zero cookies, not even for sessions
- No file scanning - Your encrypted files remain private
- No AI training - We never use your data to train AI models
- No data reselling - We never sell or share your upload information
- Can't access your files - Encryption means even we can't see your content
- Automatic deletion - Files self-destruct after expiration
- EU servers only - Protected by strong privacy laws
Security Features
Complete Control Over Your Files
- Download limits - Control how many times files can be accessed
- Auto-expiration - Set when files should be deleted (1 hour to 7 days)
- Geographic restrictions - Limit downloads to specific countries
- IP restrictions - Restrict access to certain networks
- Strong passwords - Auto-generated or custom passwords
Technical Security
- Encryption: XChaCha20-Poly1305 authenticated encryption
- Key derivation: Argon2id (memory-hard, resistant to attacks)
- Transport: HTTPS/TLS 1.3 for all connections
- Storage: Encrypted files only, no plaintext storage
- Infrastructure: Secure EU servers with regular updates
Quick Security Tips
Share Files Safely:
- For sensitive files - Use zero-knowledge encryption
- Share smart - Send links and passwords separately
- Set limits - Use the minimum downloads and shortest expiration needed
- Strong passwords - Let us generate one or use 12+ characters
- Secure channels - Share credentials via encrypted messaging
Why FilExpire?
We built FilExpire because we believe in:
- Privacy by design - Security comes first
- Simplicity - Strong security should be easy to use
- Transparency - You should know how your data is protected
- User control - You decide who accesses your files and when
Security Notice
While we use industry-leading security, remember:
- Keep your passwords safe - we cannot recover them
- Zero-knowledge encryption means we cannot help if you lose your password
- Always verify you're sharing with the intended recipient
- For questions or security concerns, contact us