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Compare two PDF files


We are exploring Aspose for the comparison of PDF documents, we would like to have a Word Style comparison where new additions will be indicated in red, deleted text will be striked-off, same text is represented as green. This comparison is of 2 PDF files, similar to versions of same document but additions/deletions from the old file.



We are afraid that comparison feature for PDF documents is not yet implemented in the API. A ticket as PDFNET-48636 has already been logged for this feature request and we will surely inform you as soon as it is implemented.

As a workaround, you can extract text from two PDF documents and compare them in the code behind to check the difference. You can also apply formatting to the text inside PDF as per your requirements. Please let us know in case you need further information.