- OPEN CORRUPTED PDF FILE FOR FREE
- OPEN CORRUPTED PDF FILE PDF
- OPEN CORRUPTED PDF FILE MANUAL
- OPEN CORRUPTED PDF FILE PORTABLE
- OPEN CORRUPTED PDF FILE PRO
I guessed that perhaps PDFtk could not handle a path name in the input, so I tried again with a modified version of the command: pdftk "File name.pdf" output "J:\Output Folder\File name.pdf"īut that produced the same input error message. Replacing the folder and file names as needed.
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I installed PDFtk Free (the pro version was only $3.99), put a copy of pdftk.exe in the folder where I was working, and tried this command with each of the corrupt PDFs: pdftk "J:\Input Folder\File name.pdf" output "J:\Output Folder\File name.pdf" Tried again same thing.Īnother search led to a page offering several command-line suggestions involving Ghostscript, pdfopt (which appeared to be a Linux and/or Ghostscript tool), or PDFtk. I got as far as File > Open before it crashed. I installed those programs in that order and ran GSview. The webpage for GSview, a Ghostscript GUI, provided links for downloading Ghostscript 9.15 and GSview 5.0.
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A search for free alternatives led to a suggestion to use Poppler, in Linux, or Ghostscript.
OPEN CORRUPTED PDF FILE PDF
It was one of the three that PDF Repair Free had also been able to repair. These results suggested that not all PDF recovery tools were made alike.Īnother search led to additional tools, apparently capable of bulk repair, at a price. Altogether, the online Repair PDF tool claimed success in repairing only one PDF. For the most part, I got error messages: “Sorry! Your PDF is corrupted to a level that cannot be repaired.” For the file that it could repair, it said, “Success! Click Here to downloaded your File!” It gave the recovered PDF a strange name and put it into my defaults Downloads folder. When I tried that one, I got an error: “Only 20MB max Allowed.” To use the online tool, I had to click its Browse button, navigate to the folder containing the corrupt PDF (which address it remembered after the first time), select the file, click the Repair PDF button, and wait for it to try to repair the file.
Fortunately, only one of the 34 was larger than that, at 22MB. It indicated that it allowed a maximum file size of 20MB. I tried Repair PDF (online) on those same 34 files. The analyze/repair sequence of buttons and messages in PDF Repair Free seemed somewhat illogical. But it did give me readable PDFs for those three that it had attempted to repair. PDF Repair Free indicated that it was able to repair only three of the 34 corrupt PDFs. For the others, it gave me an error message: “Unable to recover file: no PDF data has been found.” I suspected that the “Acrobat could not open” error messages (above) corresponded to those that PDF Repair Free could not repair, and that the “There was an error opening this document” messages (above) corresponded to those that PDF Repair Free felt that it could repair.
Pending a more thorough search for alternatives, it appeared I would have to pay for commercial software if I wanted something capable of repairing files en masse. (Later, I found a similar tool by OfficeRecovery.) Both programs proceeded one file at a time.
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I wound up trying two tools: PDF Repair Free by Recovery ToolBox (a portable utility) and Repair PDF by PDFaid (online). (I did have backups, but some of these files appeared to have been corrupt since before my oldest backup.)įirst, I looked at several options highlighted in a search. Having found 34 corrupt PDFs, I looked for tools that might help me repair them. Of course, a proactive backup system would be the first line of defense.Īs described in another post, I had found a way to scan the PDFs scattered around my drive, to see if any were corrupt. In addition, with the investment of sufficient time and effort, certain command-line tools might also have been helpful. The several canned programs I tried were also able to restore a few corrupt files.
OPEN CORRUPTED PDF FILE MANUAL
For the particular set of PDFs I was working on, the most effective technique would have started with an examination of file names and contents in Notepad (see Manual Repair section).
As detailed in the Conclusion (below), this post describes my exploration of a number of different tools and techniques for repairing damaged or corrupt PDF files.
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