Protect PDF
Add password protection and set permissions for your PDF files using industry-standard AES-256 encryption. Control who can open, print, copy, or modify your documents. All encryption happens locally in your browser for maximum security and privacy.
Drop PDF file here or click to browse
PDF • Max 500 MB • Single file
Protection Options
Processed locally in your browser
How it works
- 1.Upload or drop your PDF file
- 2.Set a user password (required to open)
- 3.Configure permissions (print, copy, modify)
- 4.Download your encrypted PDF
Optional: Set a separate owner password for managing permissions independently from the user password.
100% Local Processing
Your files and passwords are processed entirely in your browser using QPDF WebAssembly. Nothing is uploaded to any server.
Your passwords never leave your device. This is the most secure way to protect sensitive documents compared to cloud-based services.
No uploads - No servers - GDPR compliant
Use Cases
- -Secure confidential business documents
- -Protect contracts before sharing via email
- -Prevent unauthorized copying or printing
- -Add access control to legal or financial files
AES-256 encryption - the same standard used by banks.