This article describes the general reasons for PDF file corruption along with how to recover from them using manual methods.

What is PDF and Where Is It Used?


PDF (Portable Document Format) is a file, which is independent of any hardware, operating system (OS) or application for displaying its contents. This type of file can include any text, image or information that needs to be displayed in the document. 

Various PDF specializations are present for PDF format like PDF/X, PDF/A, PDF/E, PDF/VT & PDF/UT.


Having Trouble with Corrupted PDF?


Do not worry in case of PDF corruption; there are many options available to restore PDF file type. Corrupted PDF can give a nightmare to anyone. By using the above software, there is a possibility to restore the corrupted PDF to the original state. In any case, always back up your data to avoid any breakdown.

How to Restore Corrupted PDF File?

Well, PDF is a common format for documents used worldwide. It is a safer option for someone to store document in this format compared to Word.

Reasons for PDF Corruption 

Suspicious Software – Any kind of virus, malware in the system can corrupt the file. Some PDF files downloaded from internet contain viruses, so always first scan the file using antivirus before using it.
               
Incomplete Downloading – Any kind of breakage in the internet connectivity can lead to a corrupt PDF file while downloading it. It is the most common reason which the user suffers due to improper bandwidth available or due to its fluctuation.

Incomplete Transfer - Improper removal of pen drive or external hard drive from the device can lead to a corrupt PDF file. So, it is recommended to remove the external drives safely.

Incompatible Software – Sometimes the used software version is incompatible to open the file properly or it can lead to a corrupted file if it is saved on it.

Sudden System Shutdown- Sometimes sudden and multiple improper system shutdowns lead to a corrupt file. So, it is recommended to shut down the system properly.

How to Fix PDF Corrupted Files?


PDF files are almost used everywhere, whether it is desktop, smartphone, tablets, etc. However, as the files are used on different devices through pen-drives, remote data transfer or any other mode, they get corrupted occasionally.
Corrupted PDF files can be restored either manually or by using software.

Manual

Download the file again from the internet and then open it.
Close the PDF file viewer and then open it again.
Reinstall the PDF software on the machine if all the above tricks fails and then open the file

Limitation 

Only in a few cases can a PDF file be restored manually. There is a limitation of the manual method, i.e. the risk of some files if not get backed up during reinstalling the PDF opener can lead to permanent loss.
Therefore, it is safe to go for a third party tool to restore the corrupted file and save it in healthy PDF files.

SysTools PDF Recovery is excellent software, which not only fix corrupted PDF files but also provides certain following features.
This software is available as a free demo and can be downloaded from above hyperlink.
The demo version doesn’t provide - create new PDF file option and Extract PDF components.
The full version is available at a cost of $ 49 with version 1.1.

I hope that the above article help the user to restore the corrupt PDF File.

If the above tips help you to solve the issue, do mention it in the comment. For any query or suggestions to the related article, feel free to ask. J