How to compare two PDF files? How do you to compare two PDF files to determine the differences between the documents?

Similar question to what I have seen asked previously but with a clarification of requirement.

I have a large number of newly created PDF each day that should be identical to an existing set of PDF's (unless there is a bug in the code creating the PDF's), i.e.. this is an automated regression test of a PDF creation tool. All I need to know is "are the new set of PDF's identical to the old set". I do not need to know what the differences are. Why not use comp, windiff etc.? Unfortunately because the PDF's contain "CreationDate", they do not binary compare (with a windows comp). Therefore, my question is, will your command line tool binary compare 2 PDF's ignoring the creation date?

thx
Customer
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Do you know a good Windows software to compare PDF files side-by-side and show the modifications between the two?

It would be great if you can post both free and not-free products.

Customer
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How do you to compare two PDF files to determine the differences between the documents?

Customer
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image

Thanks for your message, this can be done easily.

You can use "PDF to Text OCR Converter Command Line" to convert your PDF files to text files first,

http://www.verypdf.com/app/pdf-to-text-ocr-converter/try-and-buy.html#buy
http://www.verypdf.com/pdf2txt/pdf2txtocrcmd.zip

after you get the text files, you can compare two text files use comp, windiff etc. applications, we hope this solution will useful to you.

VeryPDF

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