A-PDF Password Security provides the document encryption function, which can quickly encrypt local documents on this software, so that users can protect the content of documents and prevent their documents from being copied and used by others. Start the software to display the encryption selection function on the interface, support opening password settings, can enter digital passwords, can enter English passwords, After encryption, your document will be protected. You can also set the permission password, copy the document, and print the document. You need to enter the correct password to perform relevant operations, so as to prevent the document from being printed. Download it if necessary.

software function

1. A-PDF Password Security provides password setting function to directly encrypt PDF

2. Support the password setting of opening documents, and the password input interface will pop up every time you open the PDF reading content

3. Support permission password setting, and prohibit others from printing and modifying documents

4. Support 40 bit RC4 encryption, Adobe Acrobat 3.0 or above.

5. Support 128 bit RC4 encryption, Adobe Acrobat Reader 5.0 or above.

6. Time setting function is supported. You can set the expiration time of encrypted PDF, which will burn itself after expiration

Software features

1. A-PDF Password Security can protect your computer documents

2. If your document content is important, you can disable access in this software

3. Documents shared to others can also be encrypted in this software

4. Only when you know the correct password can you open the document. The metadata of PDF can also be edited in the software

5. You can enter a new PDF title, theme, and author

6. Edit permission: fill in form fields and sign existing signature fields

usage method

1. Install the software to the computer and click Next to install it

2. As shown in the figure, enter the three modes of software display, select the first one, and click Next

3. Enter the software to load a PDF document, and then set the security level

Security level

Low (40 bit REC; Acrobat 3.0 and above)

4. Open the password setting function, and you can enter any password content here

5. Password setting for content editing permission. When copying and printing documents, you will be prompted to enter the password

6. You can set the permission to print and modify content in the software interface

7. For other attribute setting functions, you can enter Title Subject、Author、Keywords

8. Set PDF expiration time and date

　　2024-04-17

　　0:00:00

Set expiration prompt: This file expired on% Date%

9. Click save as at the bottom to save as a new PDF document, which completes encryption. Click Open Destination Folder to open the folder

10. Open the PDF document to pop up the password input interface, enter the correct password to read the document content