Security Architecture
Three Security Layers
Layer 1: Access Control
Control who can access your document and under what conditions.
Require a password before viewing
Set maximum number of opens
Auto-expire by date or time
Limit to specific networks
Disable access with one click
Verify viewer identity
Layer 2: Document Protection
Prevent unauthorized use of your document content.
Show viewer email/IP on pages
Block file saving completely
Disable printing capability
Prevent text selection/copy
Fence view mode
Digital rights management
Layer 3: Monitoring & Analytics
Track and audit all document access activity.
Count, time, and duration
Viewer location tracking
Browser, OS, device type
Complete audit trail
Live monitoring
Update content dynamically
Dynamic Link Control
Unlike static file sharing, MaiPDF links remain under your control after sharing. You can modify security settings, replace the document, or revoke access at any time — all without generating a new link.
- Update PDF Content
Replace the file — same link, same QR code - Change Permissions
Adjust security on live links - Revoke Instantly
One-click disable, immediate effect
Frequently Asked Questions
Related Guides
Updated MaiPDF protection path
Use Online Cloud Sharing for speed; use MaiPDF App DRM when screenshots, forwarding, or device access matter
SendPDFOnline pages now describe MaiPDF as a two-level product family: Online Cloud Sharing creates quick browser links and QR codes, while the MaiPDF App creates protected .maipdf packages for sensitive PDFs that need App DRM controls.
Upload a PDF, share a browser link or QR code, and keep read code / modify code management.
Package the PDF in the MaiPDF App with local encryption, license rules, expiry, open limits, and revoke control.
Use protected viewer, device binding, screenshot-aware controls, watermark trace, and license management where supported.
No web page can fully stop screenshots. MaiPDF App DRM is positioned as the stronger path: reduce casual copying, bind access to identity/devices, revoke licenses, and trace leaks with visible watermark information.
Protect Your Documents Now
Enterprise-grade security. Free to use. No registration required.
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