Top 6 PDF Encryption Software: Secure Your Documents Effortlessly

I. Recommended 6 very practical PDF encryption tools

To measure the quality of a PDF encryption software is not only whether it can quickly and easily set password protection for files, but also whether the division of encryption permissions is meticulous and thoughtful, such as whether it is possible to edit and change the content of the file, and whether it restricts illegal access. Printing, the ability to extract pictures or text content in files at will, etc., the more detailed the settings for encryption permissions, the more secure the rights and interests of file owners. Of course, if this encryption software also has other functions for PDF files, such as file editing, format conversion and other functions, it will be more convenient.

1. Renee PDF Aide

As a very practical PDF encryption software, Renee PDF Aide not only provides a series of editing functions for PDF files including encryption, but also can easily convert PDF files into other formats. Let’s learn more about it below Check out the features of this software.

What is Renee PDF Aide?

Renee PDF Aide , is a multifunctional tool software that integrates PDF file editing and format conversion. The software integrates advanced OCR (Optical Character Recognition) technology, which can convert scanned PDF files into common format files such as Word/Excel/PowerPoint/Image/HTML/TXT, and you can choose to convert the entire PDF document or PDF document The specified page can be quickly converted into other formats, and the conversion speed can be as high as 80 pages per minute. The software is easy to operate and has various functions. It can not only optimize and edit specific pages of PDF format files, such as repairing damaged files, optimizing the loading time of large files, splitting multi-page files, and combining multiple specified pages into one PDF file. , adjust the display angle of the file, etc., you can also encrypt/decrypt PDF files, add multi-form watermarks to exclusive files, etc.

In addition, Renee PDF Aide also supports the conversion of English/French/German/Italian/Spanish/Portuguese/Chinese/Korean/Japanese and other multi-language texts. In OCR mode, selecting the corresponding recognition language can greatly improve the accuracy of character recognition , The conversion efficiency is extremely high, even computer beginners can easily handle it.

② How to use Renee PDF Aide?

Renee PDF Aide has two functions, one is to meet the basic editing operations on PDF files; the other is The function is to convert PDF format files into other commonly used format files. Let’s take a look at how to use the encryption function of Renee PDF Aide.

It is very simple to encrypt PDF files with the encryption function of Renee PDF Aide. The specific steps are as follows:

Step 1: Download and install Renee PDF Aide, then open it. Click to enter the “PDF Toolset” column.

Step 2: In the top function menu bar, select the “Encryption/Decryption” function bar. Then import the PDF file to be encrypted into Renee PDF Aide through the “Add File” button. Next, there are two options under the function menu bar, namely “encrypt PDF file” and “decrypt PDF file”, click the small dot in front of the “encrypt PDF file” option, and then fill in the password and re-enter password column The encryption password you want to set. After the operation is completed, you can choose the scope of encryption permissions, such as: allow printing, allow modification, allow extracting text and pictures, allow comments, fill in forms and sign, and select all. If you need to encrypt multiple files, you can click (Add Files) to import more files into the software for batch encryption.

Step 3: After editing the settings, click the “Convert” button on the right to quickly export the encrypted PDF file to the preset location.

The above are the specific steps to encrypt PDF files. If you still need to convert PDF format to other file formats, you can check the content below.

How to use the format conversion function of Renee PDF Aide?

Using Renee PDF Aide, you can convert PDF format files into common format files such as Word/ Excel/ PowerPoint/ Image/ HTML/ TXT. The operation steps are very simple, and the specific process is as follows:

Step 1: Download and install Renee PDF Aide, run the software, select the “Convert PDF” option.

Step 2: After entering the conversion page, you can choose to convert PDF files to common format files such as Word/Excel/PowerPoint/Image/HTML/TXT according to your personal needs. Then import the files to be converted into Renee PDF Aide through the “Add Files” button. Then, you can also check the “Enable OCR” option to improve the text recognition rate during format conversion.

Step 3: After the conversion settings are completed, click the “Convert” button on the right to start the command to convert the PDF format file into other commonly used format files, which is very convenient and quick.

2. PDF Suite

PDF Suite is a versatile PDF file editing software, which has the functions of opening, viewing, annotating, editing, converting and creating encrypted PDF files. The design of the operation page is relatively simple and easy to use, even if you don’t have much operating experience, you can easily get started and use it. In the encryption function, the software has no limit to the number of digits of the password, and you can set passwords with different digits to protect your PDF files. As a paid software, its price is relatively favorable. In addition, the software also has a free trial version. You can try the free version before buying it, and consider paying for it after using it smoothly.

3. Foxit PDF Security Suite

Foxit PDF Security Suite (Foxit PDF Security Suite) adopts Microsoft copyright management level services, not only supports encryption protection for PDF files, but also has the functions of browsing, editing and managing multiple documents. It is worth mentioning that this software uses a sufficiently secure system to meet the needs of enterprise-level encryption protection, so it is a very good choice for enterprise users, but for individual users, using this software to encrypt PDF files Encryption is somewhat overkill.

4. Locklizard

Locklizard is a PDF encryption software that allows to protect the content of documents in several ways. When encrypting a PDF document, you can set an encryption expiration date for the document. In addition, you can also add a proof of source or provenance to the document by adding a watermark to prevent the content of the document from being copied or used at will. In addition, the software provides a customizable encrypted printing option, which can effectively limit the number of times the file can be printed.

5. CutePDF

CutePDF is a free PDF encryption software that supports converting documents in other formats into PDF files, and we can also use it to encrypt and protect PDF files. In terms of encryption, the software allows users to set two passwords, one is the user password and the other is the master password. The master password has all the permissions to use encrypted PDF files, while the user password only has partial permissions, such as reading, copying, etc. or print permissions. The software is encrypted with a standard encryption key, and the recipient needs to use the same encryption software to read the encrypted document.

6. Axommsoft PDF Encryption

Axommsoft PDF Encryption software can easily convert images and documents into encrypted PDF files, and provide necessary security protection settings, such as editing, reading and printing permissions. Once password protection is set for a PDF file, only users who know the password can normally access the content of the file. In addition, the software allows batch encryption of PDF files through batch mode.

II. Summary

The above are six software recommendations with encryption functions, among which Locklizard and Axommsoft PDF Encryption only have encryption functions, while other software have some PDF editing functions in addition to encryption functions. Among the encryption software with more comprehensive functions, the difference between Renee PDF Aide and CutePDF and PDF Suite software is that the functions included in the former are basically functions that are frequently used in our daily work and life; Diversified, but the usage rate of most functions is not high, and considering the operating threshold, the former is simpler and more user-friendly than the latter two. Therefore, if you only choose from these six software, I recommend you to use Renee PDF Aide first.