What are the best tools to protect and encrypt a PDF document? 2022 list

While it is true, a PDF file is a storage format for digital documents completely independent of software and hardware platforms. These are mainly used to store interactive and regular writing and information, as well as graphics, maps, presentations, catalogs and electronic books. Also, There are different types of PDF documentsamong which are: image-only files, untagged documents, tagged documents, and electronic forms.

Now, since these are such useful documents, it is necessary to keep them safe all the time. And it is that the protection of the files allows to prevent those unauthorized users or hackers with bad intentionsaccess said documents and perform some manipulation on them, such as copying or printing them.

Indeed, encrypt or encrypt these types of files solves this type of problem from alternatives and truly advanced functions to protect them. Since there are multiple software to encrypt documents with this pattern, and best of all, they are completely free. For this reason, here is a list of the best tools to protect and encrypt a PDF document with password that hinders unwanted access by other people, satisfactorily.

List of the best free software to encrypt and encrypt PDF documents with password

With the followings free software to protect these documents, your headaches will be left behind and you will no longer be a victim of those hackers who want to plagiarize your information.

Vibosoft PDF Locker for Windows

It is one of the most effective file protectors out there; ratifies the maximum protection of your documents. This, through the use of a user password and an owner password, in order to achieve a truly timely encryption. In the case of user passwordrestricts the access of said persons to the file, instead, the owner password ensures that the content of the document not be used.

The software Vibosoft PDF Locker for Windows encrypts the document by encrypting it with three different types of algorithms. Which gives you the complete ease of edit your PDF file, but it is impossible for other people to copy, edit and modify it. These algorithms are:

• AES 128 bit: Through this document encryption mode, the files will be adjusted and equipped with fully optimal security solutions.
• RC4 128 bit: Provides much more detailed options for all users to apply file restrictions.
• RC4 40 bit: Set to protect all documents so that they are not copied, edited, or printed by others.

In addition to this, it is valuable that you know the most notable features of this free software so that you do not hesitate for a second to use it:

• The user’s password, once set, cannot be compromised by any professional password removal tool.
• The issue of adding an owner password is one of the most important features as it provides added security so that data displayed in the PDF is not reused by others.
• It ensures privacy so that the document can be printed, if authorized, but at the same time copying and editing of it is blocked.
• It integrates high stability to the owners, since this software allows to load several files at the same time, if they wish. Thus, much easier handling. In short, it features drag and drop support, which allows you to quickly import other files.

PDF element

It is a large cabinet or suite that guarantees optimal protection of all files. This is achieved through the use of passwords and permissions that can restrict the access of unauthorized users to get to the files.

And if that was not enough, PDF element It is an effective tool for users of Windows Y Mac because you can edit, create, sign, convert and OCR files. It also allows you to edit the elements that are there, whether they are images, pages, color, fonts and add a watermark.

Below are some of the most important features of this software capable of encrypting documents and performing different actions on them:

• For the users of this program it will be very easy to edit any document just as they would in Microsoft Word; without losing fonts and formatting.
• It is capable of converting PDF files to other common formats such as Word, Excel, PowerPoint and images.
• Export scanned data. This eliminates the tedious manual data entry that often generates errors. This is thanks to its advanced OCR technology that quickly and promptly converts large numbers of paper documents into files you can analyze.
• It provides a remarkably consistent user experience, working better and faster than other software.

NovaPDF

It is another recognized encryption tool for Windows and protects these files to a great extent. with passwords. This ensures that the documents cannot be copied or pasted by unauthorized persons.

In addition to this, this free software can also merge several files together into a single PDF document, add watermarks to documents with texts or images, sign such files and add bookmarks.

For more information, we summarize the features of NovaPDF in order to make sure you use it effectively:

• It does not have its own interface, since its operation is effective.
• In addition to everything, it works as a printer of your system. Because it converts your files into this high-quality format, instead of printing them on paper.
• It has advanced features that include the ability to customize image resolution, powerfully encrypt a file (as is already known), and also determine read permissions.
• It automatically detects the links in the document, both between files and between web links, and adds them to the document.

Safeguard PDF Security

This software is responsible for protecting the writings through the access control and use. With this, it guarantees that those unauthorized users cannot copy, modify or print the texts. All of this translates into effective protection of files, giving a checkmate to the participation and excessive distribution of documents through the Internet.

Safeguard PDF Security it also prevents unauthorized users from taking screenshots, also ensuring the security of documents on local computers. This is a great advantage of making use of such free software.

Adobe® Acrobat® Pro XI

It is a software specially designed for users who work with sensitive information. Once you use Adobe® Acrobat® Pro XI you will be able to create and edit them very easily. Right away, it is possible to control your data through the use of passwords and some receptors, in addition, the equipment protection has been developed with this tool. Everything translates to the fact that the protection of your document will be simple and fast.

Until now, a new update of said program has not been obtained, since the end of the October 15, 2017. In this case, we present other innovative tools to encrypt them successfully:

• Nitro Pro 11 (Windows): Light and easy to use interface-
• Foxit PhantomPDF (Windows and Mac): Includes all the features of the PDF industry.
• PDF Expert (Mac and iOS): Compress and reduce the file size without changing the format.

PDF Converter Pro for Windows

It integrates the possibility of using a password to apply restrictions to the functions. Thus, PDF Converter Pro for Windows uses these passwords to generate the encryption and it is important to highlight that without the key, the documents cannot be opened, much less make changes to their content.

For its part, it is one of the versions more advanced of the products of wonder sharefor which it ratifies the best levels of protection and particularities that adjust to the needs of each user.

Then, it is necessary to take into account some singularities of this software for its future use:

• It has everything that is required to convert PDF files in all popular formats.
• You can edit and manage texts that come from image-based PDFs.
• Supports a wide variety of import and output formats, such as Microsoft Office, image, and EPUB.

PDFSuite

It is a software capable of opening, reading, creating, editing, converting and reviewing them safely. In matters of design, it integrates tools very basic so its users do not need too much knowledge for it. In short, the intuitive interface of PDFSuite make it easy Start Y run electronic documents at any given time.

Now, as for the protection of the files is achieved through the application of keys and constraints of 256 bit. Best of all, it has a free trial version and thus users have the opportunity to analyze the product and learn about its functionality for themselves.