While you’re looking for a PDF file, you may have opened a locked PDF file. A locked PDF is one way to protect the contents of the file from the wrong party.
In addition, by protecting PDF files, users have a limit to being able to copy or the term Copypaste writing. Not only that, by doing this protection the contents in the PDF file cannot be changed arbitrarily.
Then about how to open it? To be able to answer this question, we consider the following review.
Also read: How to Remove Protected View in Excel
Using PDF File Opener Apps
There are many applications for opening PDFs. However, only a few applications can open locked PDF files. Examples of PDF applications that can open locked PDFs are as follows:
1. Foxit PDF Reader
The first application is Foxit PDF Reader. For those of you who often use a PC or laptop, the name Foxit is very popular. This is because in terms of appearance, Foxit Reader is easy to recognize.
Plus, Foxit Reader has a lot of advantages in terms of features. starting from merging several PDF files, converting to PDF, to being able to read protected PDF files.
2. Nitro Reader
Foxit PDF Reader’s rival is Nitro Reader. This application has a function that is almost similar to Foxit. Therefore, many PC and laptop users are greatly helped by this Nitro Reader.
The excellent features in Nitro Reader include being able to edit PDF files, open locked PDF files, convert files, and can do digital signatures.
3. Sumatra PDF
Among the names of the applications above, the name Sumatra PDF can be said to be a few who know. Even though this application is lighter in size than the two previous software. Even so, the Sumatra PDF application is very reliable to be able to open locked PDF files.
With a fairly stable and fast performance, being able to read locked PDF files, being able to insert notes are some of the advantages of Sumatra PDF.
4. Microsoft 365
For users who use Microsoft Office 365, it actually already has a feature for PDF files. Within the app, you can edit, add a tag, and it can even be used to read locked PDF files.
Not only that, Microsoft 365 is perfect for the office. Because, in it, employees can exchange files that have been integrated into the Cloud system. That way, anyone with an internet network can access the files easily.
Also read: A3 Paper Size
Using Site Unlock PDF locked
Not only applications installed on the computer. You can also use online sites to open locked PDF files. Of course, to be able to use it is very easy because you just need a browser.
Some types of sites that can open locked PDFs are as follows.
1. PDFUnlock
The first site is Pdunlock. This site is quite reliable in opening PDF files easily. Especially when you first open it via a browser, you won’t have any problems.
How to use it is very easy, you just have to go to the official website here. Next is to click the Browse button and select the PDF file you want to unlock. After that, please click Unlock!. Wait for the process to complete, then you can open it.
2. PDFpirate
The next site you can try is PDFpirate. This site is also powerful enough to open protected PDF files. The concept is the same as the previous version, namely you open the site->click the browser-> select the PDF file-> wait for the results-> download the unlocked version. For those of you who want to try it please click here.
3. Crack My PDF
The last alternative is Crack My PDF. This one site has similarities in terms of function. However, in terms of appearance, Crack My PDF is quite simple.
The way to be able to unlock a PDF file that has been protected is quite easy. You just have to open the site, then select the PDF file that you want to open, then just wait for the results and click the download button. Please try the site here.
Also read: A4 Paper Size
Those are some points on how to unprotect PDF files. From the above review, we can see that to be able to open a PDF file is quite simple. Starting from using applications to using online sites.
Of course there are many reasons why this PDF file should be protected. In addition to preventing files from being edited, the purpose of locking PDF files is to prevent misuse.
Especially now that important documents are often sent via email, instant messages, to cloud systems. Thus, locking important documents must be maintained properly. Hopefully this article can provide many benefits for all.
