I’ve written a guide to repairing damaged PDF files. The most common problem is that PDF files are completely unreadable because of corrupted text, but it doesn’t have to be that way. This guide will show you 13 forgotten ways to repair corrupted PDF files, along with step-by-step instructions for each technique. Each technique was used on one of my friends’ PDFs, and the technique usually worked.

A couple of weeks ago, I was using PDF files I had created in Adobe Acrobat XI to read in my note-taking app, when suddenly my phone started to vibrate. “What on earth?” I thought, “I haven’t done anything to make my PDF files corrupt.” I checked my phone and saw that my wife had sent me a text message. After thinking for a few minutes, I still couldn’t figure out what happened.

When working with PDF files, you may encounter error messages such as – Is your PDF file damaged? If you get an error message when opening a PDF file, before looking for a way to repair damaged PDF files, determine whether the problem lies with the PDF file or with the reader software. To find the problem, open the PDF file with another program. If you are still facing this problem, read this article to repair corrupted PDF files. A corrupted PDF file can also lead to the loss of important data. Are you wondering how to get rid of this problem? Don’t worry, you’re in the right place. In this article you will find the best methods to repair corrupted PDF files. There are many tools available to easily recover data from corrupted files. In this guide, we have listed the best professional online and offline tools to recover data from damaged or corrupt PDF files. Before you discover the software, you should know the causes of PDF corruption. The following are some of the reasons. Check them to get rid of corrupt PDF files.

What is a PDF file?

PDF stands for Portable Document Format. It is the most widely used format among computer users for creating and viewing files. It is used to view a file in electronic format without software, hardware or operating system. You can easily use the PDF document on any device. You can view and read the PDF document, but you cannot make any changes to it. You can also easily convert your files to PDF using PDF conversion software. You can also set a password and add a watermark to the PDF file to protect the files from modification.

Why are PDF files damaged?

PDF files are the most important element for a computer user. Files can be damaged by frequent opening in various online programs. Although PDF files have many security features, it is very difficult to protect them from damage. There are many reasons why PDF files can get corrupted.

  • Because of the virus: If your device is infected with a virus or other malicious software, or if it contains a malicious file, your file may become corrupted because its contents are changed or overwritten. So it’s best to keep your antivirus software up-to-date to protect your device and files from viruses. We recommend that you use one of the best antivirus programs, such as. B. AVG Antivirus (special discount link) for the best protection.
  • While charging: During the download process, files may stop downloading because of an insufficient Internet connection or because multiple files are being downloaded at the same time. This will corrupt PDF files.
  • Open on different programs: This is not that common, but it is also one of the sources of corruption in PDF files. Any program that helps you open a PDF file makes some minor changes to adapt the file to the program’s user interface. If you open the same file multiple times with different programs, it will be changed each time, thus corrupting the PDF file.
  • Faulty hard drive: PDF files can also become corrupted if an error message appears on your hard drive or if your hard drive crashes.
  • Use of unsuitable software : PDF files can also get corrupted if unsuitable software for opening or creating PDFs is used. So it is very important to choose the best software like Adobe Acrobat, Wondershare PDFelement, etc to open or create PDF files.
  • File exchange: Sometimes sharing files via email or transferring them from one device to another also affects the file.

There are many causes for damaged or lost PDF files. Nevertheless, there are online and offline programs that can easily recover damaged or lost PDF files. These programs are listed below.

Methods to repair damaged PDF files

There are professional and free tools to recover damaged or corrupted files. Some of these are listed below. It is always better to turn to professionals rather than free versions and online tools.

1. Kernel for PDF Repair – Offline

Kernel for PDF Repair is a professional tool to easily recover data from damaged files. It recovers interactive objects such as hyperlinks, bookmarks, notes, images, etc. It also recovers files stored on media such as floppy disks, Zip disks and CD-ROMs. It retrieves multiple files from all versions of Adobe Acrobat simultaneously. It is available in three variants: a home license for $49, a business license for $99, and a technician license for $199. Proposal: Our readers get a special 30% discount on all Kernel PDF Repair licenses. Click here for the home license of Kernel PDF repair for only $34.30 Click here for the business license of Kernel PDF repair for only $69.30 Click here for the technician license of Kernel PDF repair for only $139.30 Let’s see how we can use it:

To repair damaged PDF files with Kernel PDF repair

In this section, you will learn how to repair damaged PDF files with Kernel for PDF Repair. Total time: 5 minutes Step one: Download the file First, buy or download the free PDF repair tool and install it on your device. When the installation is complete, open the application and click on the Select Files option in the top left corner. Select the damaged PDF file on your device and click Open. Step two: Select the option Repair After you click Open, the file is loaded and displayed on the screen. If you want to select more files, click the Select files option again. Once you are done, click on the Recover button to recover the listed corrupted files. Step three: Choose a destination folder After you press the repair button, a pop-up message appears on the screen. Choose a location for the recovered PDF file and click Ok. Step four: Save the file The file analysis and recovery process begins. When the process is complete, a pop-up window will appear to indicate where to save the recovered file. Press the Ok button. This is it…. The process of repairing damaged PDF files with Kernel for PDF Repair is complete. Estimated cost : 49 USD Tender:

  • Kernel for PDF repair tool

Tools :

  • Kernel for PDF repair tool

2. Stellar Repair for PDF

Stellar Repair for PDF is the best software that easily restores corrupted files. It restores all content including images, tables, headers and footers, etc. It supports Adobe PDF versions 1.3-1.7 and is compatible with the latest Windows versions. This product is available for $29. It is also available as a free download, but it offers fewer features. Therefore, it is always better to choose the Pro version. Let’s see how we can use it:

How to repair a damaged PDF file with Stellar Repair for PDF

Step one: Buy or download the free version of Stellar PDF Repair. Once the download is complete, install it on your device. Step two: Open Stellar PDF Repair Tool and click on Add File to download the damaged PDF file. A pop-up window appears on the screen where you can select the PDF files you want to recover. Step three: The file is loaded and appears on the screen. You can also add other files by selecting Add at the bottom left. When you have finished downloading the files, click Restore. Step four: Once you click on Repair, the processing begins. This may take some time depending on the number of files and their size. Wait until the process is complete. The wizard appears on the screen. Press OK. Step 5: Before saving the recovered file, click on the file to see if all data has been recovered or not. Click on the Save repaired files option to save the repaired files to your device.

3. Using a damaged PDF viewer (free and online)

Corrupt PDF Viewer is a free online tool to view and repair corrupt PDF files. It comes to the rescue by providing methods to open and view the content of damaged PDF documents. Installable and portable versions available Corrupt PDF Viewer is available in two editions: an installation version and a portable version. While the former uses the usual installation process, the latter comes in the form of a ZIP file that can be saved to a USB stick and used on the go. In addition, the portable version leaves no traces in the Windows system registry, as all settings are stored in a separate folder. Navigation and page manipulation options Using Corrupt PDF Viewer is very similar to using any other popular PDF reader. In fact, its features are very similar to those of any other PDF viewer that doesn’t have editing buttons. The top toolbar contains navigation tools that allow you to quickly and easily move to another page, as well as zoom buttons that allow you to better view the text. There are also display tools that allow you to resize the page to fit the program window, delete individual pages, or rotate them. Print PDF pages or export to PNG images No matter how excited you are to access content that might have been lost forever, remember to back it up. There are three methods here. First of all, you can use Corrupt PDF Viewer to save a corrupted PDF document as a new, undamaged PDF file. To do this, click the Save button on the toolbar and rename your PDF file. Secondly, the program has print functions that allow you to print all the pages of the PDF on paper. Additional options in the Tools menu allow you to crop the edges of a PDF file or reduce pages to eliminate margins. Finally, the third option is to export all pages of a damaged PDF file to PNG images. The program will ask you to enter the horizontal and vertical DPI. Each page is then exported to the settings folder in PNG format. Access to lost data in damaged PDF documents There is no doubt that Corrupt PDF Viewer is a handy and indispensable utility. It opens damaged or corrupt PDF files and helps in restoring access to lost data and content. With this easy-to-use program, users can save damaged PDF files as a new, undamaged file, export all pages as individual PNG images, or print them on paper to safeguard their data.

How to open and repair corrupt PDF files for free with Corrupt PDF Viewer

If you want to view and repair damaged PDF content, follow these 4 steps: 1. Running a damaged PDF viewer Double click on the Corrupt PDF Viewer icon on your desktop to launch the program. 2. Opening a damaged PDF document Press the Open button and select the damaged PDF file. 3. To view the contents of a damaged PDF file Once the program finishes checking the damaged PDF data, the content is immediately displayed in the viewing area. 4. Restore the PDF by saving the content in a new file Click the Save button on the toolbar, name the new PDF file and save it. You can also print all pages using Microsoft’s Print to PDF printer to create a new virtual printable PDF file.

4. PTO Repair Tool Box

Repair Toolbox is the best tool to repair Adobe PDF. It recovers all versions of PDF files. Just download the file to be recovered and save the files after the recovery process. Follow the steps below for detailed instructions. Step one: Download PDF Repair Toolbox and install it on your device. Step two: Click the folder icon to the right of the Source File Name field. Select the damaged file on your device and click the Open option or type the name of the damaged file in the Source File Name field. Step three: When the file is downloaded, click Next. When the recovery process is complete, you will be directed to a new screen. In this field, enter the output file as shown in the screenshot below and the folder by selecting the Browse option where you want to save the recovered PDf file. Click on the Next button. By default, the previous file name with the extension _recovered.pdf is used as the output file name. Finally, select the PDF version of the output and click Save. When you use the demo version of PDF Repair Toolbox, the full file is not saved on your device. If you want to save the entire file to your device, it is best to purchase a tool.

  • Cost: Personal licence – 27
  • Business license – 45
  • Site license – 60

5. Sysinfo PDF Recovery Tool

Sysinfo PDF Recovery Tool is one of the best applications to recover corrupted PDF files easily. The cost of the Sysinfo PDF Repair tool is about $59 for a family license. The cost is a bit high compared to other tools. Before you buy the product, you can download the free version and try it out. It will restore every page of your document without any modification. Let’s see how we can use it: Step one: First, buy or download the free version of Sysinfo PDF Recovery Tool and install it on your device. Step two: Launch it, enable the option to select individual PDF files and download the damaged PDF file from your device. You can also upload additional files by enabling the option to select additional PDF files. Click the Next option in the lower right corner. Step three: You will find two different recovery modes: Standard and advanced. Select the desired recovery mode and click Next. Step four: The program starts scanning the PDF files. Once the process is complete, the recovered PDF file will appear on the preview screen. Check whether the PDF file is fully recovered or not. If you are satisfied with the recovered file, click Next. Otherwise, press Back to begin editing again. Step 5: Select the destination folder to save the recovered PDF file. Finally, click on the Save button at the bottom.

  • Cost: Home license – 59
  • Business license – 99
  • Technician license – 129

6. Systools PDF Recovery

SysTools PDF Recovery Tool is the best professional application that recovers damaged files and makes them healthy again. It restores the data without changing the original format. It retrieves as much data as possible including images, tables, pie charts, etc. It is compatible with all versions of Adobe Acrobat PDF files. Let’s see how we can use it:

  • Buy or download the free version of SysTools PDF Recovery Tool. Install it on your device and open it.
  • After you open SysTools PDF Recovery Tool, click on the Load PDF option in the top left corner to download the damaged PDF file from your device.
  • When the process is complete, a pop-up window appears on the screen. Press OK key. The recovered PDF file will appear on the screen. Select it once and click on the Save PDF option.
  • Navigate to the folder where you want to save the recovered file and click Save. Finally, click on the OK button.

Message: The save PDF option is not available in the free versions. Therefore, it is always better to choose a professional instrument.

  • Cost: Personal License – $28.77
  • Professional degree – 127,88
  • Business License – $395.84

7. DataNumen PDF Repair

DataNumen PDF Repair is the best tool to recover all versions of Adobe Acrobat PDF files. This way you can recover as much data as possible. The recovery process is extremely simple compared to other programs. It is easily compatible with Windows 95/98/ 2000/ME/NT/XP/Visa/7/8/10 and Windows Server 2003/2008/2012/2016/2019. Let’s see how we can use it: Step one: Buy the free version of DataNumen PDF Repair and install it on your device. Step two: Launch the application and enter the damaged PDF files directly under Select PDF file to redeem or select the three dots on the right of the search bar and select the damaged files from your device. In the Save Output File As section, enter a name for the output file of your choice. Otherwise, the name of the recovery file with the extension -fixed.pdf is used as the output file name. Finally, click on Start recovery. It starts by restoring the original PDF files. Step three: When scanning is complete and the PDF file has been successfully recovered, a pop-up message appears on the screen. Press the Ok button. Now you can easily open the recovered PDF file with any PDF compatible application. Finally, click on the Save Log button to save the recovered PDF file.

  • Cost: For 1 user – $149.95 each
  • 2 to 9 – $119.95 each
  • 10 to 24 – $89.95 each
  • 24 to 49 – $69.95 each
  • 50 to 99 – $49.95 each
  • 100 to 199 – $39.95 each
  • 200 to 499 – $29.95 each
  • 500+ – $19.95 each

8. Seida

Sejda is an online site that can help you recover corrupted files easily. All you need to do is visit the official website of sejda repair PDF online. Step one: Visit the official website of Sejda Repair PDF or click the link below to access it. Step two: Click on the Download files option to download files from your device. You can also upload files from Google Drive, Dropbox or via a web address. You can also drag the file to the page to start the recovery process. Step three: After downloading the file, click on the Repair PDF option to start the recovery process and wait for the process to complete.

9. ilovePDF

ilovePDF is the best online service that allows you to work with PDF files in a completely free and easy way. You can easily recover damaged PDF files online. Just upload the files you want to recover and see the magic of the ilovePDF utility. Follow the steps below to learn how to repair damaged PDF files with ilovePDF: Step one: Visit the official ilovePDF website and select the PDF repair tool. It will be redirected to a new page. Step two: Click the Select PDF file option to select the damaged file from your device, Google Drive, or DropBox, or drag the PDF file onto the page. Step three: Once the PDF is downloaded, you will find the Recover PDF option on the right side of the screen. Click Recover PDF in the lower right corner to start the recovery process. Step four: When the process is complete, click the Download File option to download the files.

10. PDF2GO

PDF2GO is a simple and powerful online tool that allows you to perform various operations on PDF files. It can repair damaged PDF files. This tool does not require any free space on the device. To visit the official PDF2GO website, just use the search engine. Here are the steps to repair damaged PDF files with PDF2GO. Step one: Follow the link to open the PDF2GO Repair PDF page. Step two: Drag and drop the damaged file or choose the Select File option to select the damaged PDF files on your device. You can also select the damaged files in Google Drive or DropBox, or enter the link of the desired file. Step three: After downloading the file, it will appear on the screen. Click on the Start option. It takes a while to retrieve a PDF file. When the process is complete, downloading the file will begin automatically. Alternatively, you can select Download to download the file.

11. AvePDF

AvePDF is one of the online tools that you can use to repair damaged PDF files. It uses the best encryption methods to protect your data. It does not backup your files and automatically deletes them from the servers after 30 minutes. If you want to manually delete your file from their servers, click the Delete option in the last step after you finish uploading the file. Step one: Go to the official AvePDF website with Chrome, or click on the link. AvePDF official website opens, click on the file selection option to download the damaged PDF file or just drag and drop the damaged PDF file. You can also upload files from Google Drive, Dropbox or through links. Step two: Once you have uploaded a file, the program starts processing the files. This may take some time depending on the size of the file. Once the process is complete, you will find the Download option. If you want to save the repaired file on your device, click Download. If you want to save the file to another location, for example. For example, in Google Drive or Dropbox, click on the appropriate options.

12. PDFResizer

PDFResizer is also one of the best tools to recover incomplete or damaged PDF files. This tool gives you multiple recovery options. It provides several tools that you can use to try to repair a PDF file by rewriting the file structure and filtering out damaged pages. Step one: Go to the official PDFResizer website with Chrome or click on the link. Once the official PDFResizer website opens, click the Select Files button. A window will appear on the screen. Then select the PDf file you want to recover and click the Open button. Step two: When the file is selected, click the Download File option. Step three: The downloaded file appears on the screen. Select the tool you want to use to retrieve the file and click on Looks good, does wonders ! It starts processing your files. When the process is complete, the recovered file is shown on the right side with a download option. Click on the Download option to download and save the recovered file to your device.

13. PDFaid

PDFaid Repair PDF is one of the best free online PDF editing tools. It easily recovers damaged or corrupt PDF files. The recovered PDF file can be viewed in any PDF reader. You do not need to install this application on your device. All you need is Chrome or another search engine on your device to open it. To learn how to repair damaged PDF with PDFaid, follow the steps below: Step one: Open PDFaid with a search engine or click on this link. Step two: The official PDFaid website will be displayed. Click on the Select PDF file option to download the damaged file. A new window will appear where you can select the damaged PDF file and click OK. Step three: Entering the PDF properties in the PDF settings is a possibility. If you wish, you can enter this information. Finally, click on the option Restore PDF. Step four: After you click on the PDF repair option, the recovery process will begin. Once the process is complete, the Download option will appear on the screen to download the recovered PDF file. Click on this download option. That’s right… In a few seconds the upload will be downloaded and stored on your device.

Final thought

There are several online methods to repair corrupted PDF files. But none of this is certain. In this guide, we’ve listed some of the best online tools to protect your data, as well as professional tools. You can also download a demo version of the professional tools before purchasing them. If you often work with PDF files, it is better to buy a Pro version. Otherwise, use the online tools or use the Pro Tools demo. Of all the online tools, we recommend sejda and ilovePDf, which are ranked first and second in our list. If you want to use a professional tool, it is better to choose Kernel for PDF Repair or Stellar PDF Repair. I hope this How to Repair Damaged PDF Files guide has helped you to fully recover data from damaged PDF files. If you liked this article, please share it. If you find other tools that perform better, please let us know in the comments section. For more tech tips, follow WhatVwant on Facebook, Twitter and YouTube.

How to repair damaged PDF files – Question

How can I recover damaged files? You can easily recover corrupt PDF files using online or offline tool. Is there any free method to repair corrupt PDF files? There are many free online methods to repair damaged PDF files. Some of these are listed above. What is the best tool to repair damaged PDF files? Kernel for PDF Repair is the best tool to repair and restore damaged PDF files. Most tools do not offer the ability to record in a demo. But the kernel gives you that option. Is it safe to use an online tool to repair damaged PDF files? In some cases, the online tool is safe to use. If you mainly work with PDF files, it is better to use professional tools to repair damaged files.

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Frequently Asked Questions

How do I fix a corrupt PDF file?

It is a sad fact that PDF files can get corrupted over time and a simple click and a basic knowledge of the app you are using can be enough to ruin the whole file and render it useless! How do you fix a corrupted PDF file? There are plenty of methods, but in most cases it will take more than one try to get your document to look the way it should. Here are some of the most common ways to repair corrupted PDF files.

How can I open a corrupt PDF file for free?

It’s possible that the file is damaged, or maybe you just want to know if it can be opened. Whatever the case may be, you have come to the right place. Here, you will learn a few ways of opening corrupted PDF files that you never knew existed. In this article, we reveal 13 forgotten ways to open a corrupt PDF file without any third party tool or software, that you can do yourself and try right now.

How do I fix corrupted files?

The world of technology is a wonderful place, but it can also be treacherous. With new programs and gadgets being released all the time, it can be easy to overlook some of the more subtle things that can go wrong with your computer too. When you open a document in a PDF viewer and something goes wrong, you can either send it to a professional, have it fixed by a third party, or fix it yourself. In many cases, simply reopening the document fixes the problem, but a corrupted file that won’t open can be tough to work with. Sometimes, not only does the file’s content get messed up, but the file itself gets corrupted and won’t open at all (just like a zip file that won’t open). And sometimes, you can’t even get into a file to do a repair.

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