extractpdfmark

Description

When you create a PDF document using a TeX system, you may include many small PDF files in the main PDF file. It is common for each of those files to use the same fonts.

If the small PDF files contain embedded font subsets, the TeX system includes them as-is in the main PDF. As a result, several subsets of the same font are embedded in the main PDF. It is not possible to remove the duplicates since they are different subsets. This vastly increases the size of the main PDF file.

On the other hand, if the small PDF files contain embedded full font sets, the TeX system also includes all of them in the main PDF. This time, the main PDF contains duplicates of the same full sets of fonts. Therefore, Ghostscript can remove the duplicates. This may considerably reduce the main PDF-file's size.

Finally, if the small PDF files contain some fonts that are not embedded, the TeX system outputs the main PDF file with some fonts missing. In this case, Ghostscript can embed the necessary fonts. It can significantly reduce the required disk size.

Either way, when Ghostscript reads the main PDF produced by the TeX system and outputs the final PDF it does not preserve PDF page-mode and named-destinations etc. As a result, when you open the final PDF, it is not displayed correctly. Also, remote PDF links will not work.

This program is able to extract page mode and named destinations as PDFmark from PDF. By using this you can get the small PDF files that have preserved them.

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Homepage

https://github.com/trueroad/extractpdfmark

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