How to Password Protect PDF Documents

PDF Reader Pro provides you with 3 convenient ways to secure your sensitive or important files.


#1: Encrypt PDF Separately 

1. Go to Documents tab and tap light_ic_edit.png at the top right corner;

2. Select one or more files you want to set passwords and click More 图标/light_ic_more2.png;

3. Choose Encrypt and type the password in the pop-up window;  

4. Then the selected PDF file will be encrypted as you wish.


#2: Encrypt PDF in Private Folder

1. Open PDF Reader Pro and find Settings on the toolbar, turn on Show Private Folder under FILE VIEWER;

2. The Private folder will then be shown on the file list;

3. Tap light_ic_edit.png at the top right corner and tick the particular file/folder you want to put in the Private folder, or you can tap 图标/light_ic_more2.png next to the specific file, and tap Move or Copy in the menu;

4. Find the Private folder from the pop-up menu and tap Move / Paste, the file will immediately be moved/copied to the Private folder.

5. Tap light_ic_edit.png at the top right corner and click the Private folder, then you can add a new password to the entire folder.


#3: Encrypt PDF by Restricting App Access

1. Open PDF Reader Pro and find Settings on the toolbar, find Passcode under SECURITY;

2. Then you can set a password to restrict access to the entire app and protect all your documents stored in PDF Reader Pro.

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