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Posted to dev@pdfbox.apache.org by "Mikhail Semionenko (JIRA)" <ji...@apache.org> on 2017/06/30 05:26:00 UTC

[jira] [Created] (PDFBOX-3844) Is there compression of images like Optimizing PDFs?

Mikhail Semionenko created PDFBOX-3844:
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             Summary: Is there compression of images like Optimizing PDFs?
                 Key: PDFBOX-3844
                 URL: https://issues.apache.org/jira/browse/PDFBOX-3844
             Project: PDFBox
          Issue Type: New Feature
            Reporter: Mikhail Semionenko
         Attachments: Screen Shot 2017-06-30 at 12.16.02.png

If you add large images in PDF, the resulting document becomes large. I've added about 80 images in size 2100x2100px in the document, and got about 400-500mb in the PDF file. 
From the document analysis (attached screen shot from Acrobate Pro DC), you can see that zip / flate compression is used for added images. I would like to be able to compress images in a document using jpeg compression (something like that: https://helpx.adobe.com/acrobat/using/optimizing-pdfs-acrobat-pro.html). Is there such an opportunity now? Can it be add in the future?

P.S. RGB and CMYK images are used.

Thanks.



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