PDF Password Lock

PDF Password Lock is a simple and secure PDF protection app that lets you apply a password to PDF files and save them as new locked PDF documents.

The original PDF file is not modified. A new password-protected PDF copy is created instead.

Main features
• Add password protection to PDF files
• Keep the original file unchanged
• Save new locked PDF copies
• View saved history
• Share protected PDF files
• Fast and simple PDF security process
• Local device storage support
• Multi-language support

How to use
1. Select a PDF file
2. Enter a password
3. Apply password protection
4. Save a new locked PDF file

The app processes files locally on your device and only handles files selected by the user.

Important
• If you forget the password, you may not be able to open the protected PDF file.
• PDF encryption compatibility may vary depending on the PDF viewer.
• Some special PDF files may have limited support.

This app is not affiliated with Adobe and is not an official Adobe product.