PDF Password Protection
Secure your PDFs with AES-256 encryption
Tap to select PDF
Max 100MB
Upload PDF
Drag & drop PDF file
or click to browse (Max 100MB)
Encryption Level
AES-128 encryption, compatible with all PDF readers
AES-256 encryption for sensitive documents
AES-256 with all restrictions enabled
Document Permissions
Control what users can do with your protected PDF
Set Password
Create a strong password to protect your document
Set Custom Owner Password
Optional: grants full access to bypass restrictions
How Permissions Work: Document permissions (print, copy, etc.) are enforced when the PDF is opened with the Document Password. A secure owner password is automatically generated to enforce restrictions.
Important: Save your password! Without it, you cannot unlock your PDF.
Upload a PDF to get started
Military-Grade Encryption
AES-256 encryption, the same standard used by governments and military
Permission Control
Restrict printing, copying, editing, and annotations on your documents
Secure Processing
Files are encrypted locally and never stored on our servers
Security Best Practices
- • Use a strong password with uppercase, lowercase, numbers, and symbols
- • Never share passwords via email or unsecured channels
- • Use a password manager to store your PDF passwords securely
- • For sensitive documents, use "Maximum Security" encryption level
About PDF Permissions
- • Permission restrictions (copy, print, edit) are enforced by PDF reader software
- • Adobe Acrobat Reader and other professional PDF readers enforce all permissions
- • Some lightweight viewers and browser PDF viewers may not enforce restrictions
- • For maximum security, encrypt sensitive content or use document-level access controls