The first portable document format created by ADOB E in 1992, also known as PDF, has been known Developed and popular worldwide. This electronic file format greatly helps everyone transmit information in text format and image.
Creating a PDF document is easy. You can apply it to your e -book, product directory, invoice and packing list, memo and information chart. Nevertheless, it seems difficult to know how to protect it correctly than you think. They may be the main goal of hackers and digital piracy in various places.
You have the responsibility to actively protect your PDF file and ensure that your data is safe. We strongly recommend using password protection and encryption to prevent unauthorized users from viewing or copying your PDF.
In this article, we will introduce two methods of password protection and encryption PDF files. You can use online tools such as Adob \u200b\u200bE, or upload the file to your WordPress website and use PPWP Pro to lock the website.
Before in -depth understanding of the detailed guide, let us discuss the password protection and PDF file encryption Main differences.
What is the difference between password protection and encryption?
As the name implies, the password protection method allows you to lock the PDF with the password layer. Anyone with the correct password can open and read the file. This is why you need to provide a powerful and unique password. It should contain more than 8 characters, including uppercase and lowercase letters and special symbols.
In fact, your protected documents are sometimes invaded by hackers due to lack of efforts to strengthen passwords. This is where encrypted solutions play a role.
It is more complicated and is considered as an upgrade of password protection. For detailed explanations, encryption refers to the process of adding data into an incredible ciphertext. This means that even if your important PDF file falls into the hands of bad guys, they cannot read or copy it.
To decrypt the document, people must use a password or digital certificate.
Method 1: Use online tools to protect and encrypt PDF If if You have PDF files on your computer in parallelSend them to other people over the e -mail/message attachment, please consider using the online tool to protect and encrypt them. Some online password protection PDF tools also include encryption functions, so you can perform two operations at the same time.
Adobe password protection PDF is a leading position in the field of online PDF password protection. You can use this tool to allocate passwords and encrypted files. Just click a few times to start.
Open
Adob \u200b\u200bE
- Password protection pdf
- Tool Drag and drop file or click the \”Select File\” button
- Set the password and re -enter to confirm
- Set the password
- ] The following is the content that users see when they open the protected PDF. Unless they enter the correct security key, they will not be able to read it.
the protected file
As mentioned earlier, once you pass the password of the file, you pass the password Protection, Adobe password protection PDF tool will automatically encrypt your files. This allows you to add additional safety layers to the PDF project.
To get more advanced encryption functions, you must upgrade to version of 
Adob \u200b\u200bE Acrobat Pro DC
. You can use certificate encryption, security settings management and editing/print/replication restrictions.
Method 2: PDF
in WordPress’s password protection and encryption PDF
You can make money from PDF e -books, data reports or memo. To help customers buy and pay your documents easily, you should upload them to your WordPress website and sell them in your WooCommerce store. The current challenge is to protect your documents from unauthorized access. After uploading it to your website, the PDF project will be incorporated into an index and appear on the search engine. It is necessary to prevent the access and viewing them from the non -paid households.
PDA Gold and PPWP Pro in protecting PDF files very well. The URL of the PDA GOLD protection file is encrypted to prevent unauthorized access, andPPWP Pro allows you to lock the file with a password. How to use the PDA GOLD plug -in to encrypted PDF PDA GOLD mainly protects the PDF in the media library. Sometimes users try to your private files, and they can still view it without permission. To stop this, you should encrypt your files.
Install and activate the PDA GOLD plug -in
Go to the
media
\u0026 gt;
- library
- in the WordPress management instrument board Your file
- Find the file you want and click Configure file protection , then click
to protect this file
-
-
Press
encrypted this file
]
button
This plug -in also gives you the opportunity to decrypt the file. All you need to do is click
to decrypt this file
button
That’s it!
How to use PPWP Pro to protect PDF
PPWP PRO mainly supports you to lock WordPress content, including pages, posts, custom post types, parts, categories, and even the entire site. To protect PDF, install its Smart RESTRiction extension.
- Turn to Media Library
- Right -click click \” View\”
option and copy its URL
- Access in the management menu Password protection WordPress Intelligent limit
- Switch to File Protection tab strike Add new
[ 123] Enter the file you just copied and paste them into the - box
Click - and automatically generate a new password or create your own password
Install and activate PPWP Pro and Smart RESTRiction plug -in
to find files to be protected by password
file URL
Manage the password
Anyone accessing your file through its URL People will see this password form, forcing them to enter the correct password to unlock it.
PPWP PRO provides you with a user role restriction file for you Interview options. In other words, users must log in to the character to enter the password. Otherwise, they will receive an error message.
The most important thing is that you can prevent users from entering the password according to time and usage. After one day or multiple times, they can no longer use these passwords.
You can also embed these protected files into your content.
Open the page to be protected to be protected by PDF
Use \u0026 lt; iframe \u0026 gt; label as follows
- \u0026 lt; iframe src \u003d \u0026 quot; your-free-url \u0026 quot; \u0026 gt; [123 ]
-
Update the post and complete.
Password protection and encryption PDF to obtain the maximum security 
encryption proof is the best way to protect your PDF. Although the user enters the correct password, they cannot read or copy the password. Password protection is not as good as encryption; however, it is still a good security choice. Your powerful and unique password can save important files to avoid being spy on.
We introduced you to two main methods of password protection and encryption PDF files. You can use the Adob \u200b\u200bE tool for offline PDF documents. To protect the files uploaded to the WordPress website, use PDA GOLD and PPWP Pro. What are you waiting for? Use the PPWP Pro password to protect your WordPress PDF and immediately use PDA Gold to encrypt it!