I have some very large PDF files that are being created using C# and ItextSharp. One of the biggest files gets very close to the 10GB limit on file. iText will never compress an XMP metadata stream; all other content streams are compressed by default. You’ve already used the setCompressionLevel(). I want to compress a PDF file size from MB’s to KB’s (if the file size is 5 MB then it should be compressed in to KB’s like KB or KB).

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Possibly a super simple document jtextsharp get larger itextsharo this enabled, not sure and don’t feel like testing. One of the biggest files gets very close to the 10GB limit on file size. But then you would have to decompress or unzip it to display it in a. PdfStamper is a helper class that ultimately uses another class called PdfStamperImp to do most of the work. The compression level 0, default compression, and compression level 9 can be specified by using constant values defined in the PdfStream class: PDF folders to zip files and they didn’t compress much either.

Chances are they have and don’t get it. The CompressionLevel is actually what you normally think of as compression, a number from 0 to 9 or -1 to mean default which currently equals six I think.

C# and itextsharp PDF compression

In the past I’ve used Docotic. The following code helps you compress an existing PDF document. We are trying to better understand customer views on social support experience, so your participation in this interview project would be greatly appreciated if you have time.

I investigated deep enough about compression of PDF files, mainly images inside it, and completed with lightweight library, which could be used as a parent for your particular compression cases.

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With that said there are some 3rd party tools out there that will do it for you, but I don’t know of any free ones. After executing the code the pdf file generated with size of KB.

compress pdf file with itextsharp

Also, what in the world can you put in to a pdf to make it 10GB?! Existing Members Sign in to your account. In reply to this post by TvT. PDF of kb on my desktop to a Zip folder and the Zip folder is kb in size so not much reduction occured. The result is a document whose PDF syntax can be seen in the content streams of each page when opened in a text editor. Knowing nothing about the PDFs in question it is hard to tell whether or not they can be compressed at all.

In the PDF, I scale the images to the page width, and when printed, the copies are mostly indistinguishable itextsbarp the original — these are legal documents which also include many pages of images. I’ve been on this for 3 days now, and frankly have run out of ideas.

However you may be able to use System. Video Tutorials C Fundamentals: There’s a very high level example of it here. Show message ; Process. If a question is compresion phrased then either ask for clarification, ignore it, or edit the question and fix the problem.

I’m not sure if it will be applicable in your case, but I had a similar problem at a itextshafp company when we printed well, PDFed all a customer’s invoice in a single file.

Reduce image

I don’t understand your post. This forum is about visual studio IDE, as your issue is related to your visual basic code, copmression would be related to vb, I help you move this case to visual basic forum for dedicated support. In iText you got several options: Don’t tell someone to read the manual. This is some stub code that I copied, it shows the settings I am using itextsyarp the beginning of the PDF creation process.


A lot of people are against trying to do itextsgarp yourself because any mishap and you corrupt the compeession PDF file. Note that developers post answers on StackOverflow on a voluntary basis; there’s no guaranteed response-time and responding to this free forum has low priority compared to delivering commercial support.

Writer you are actually getting back this implementation class. In reply to this post by Carlos Arturo Bernal Carvajal. It’s been a while and I don’t remember the exact details, but there where methods similar to. Forum Downloads About Contact. PdfStamperImp is derived from PdfWriter and when you use stamper. Read the question carefully. Adding metadata iText 5.

This email is in use. Articles Quick Answers Messages Use my saved content filters. PDFs created from a scanner etc.

c# – Does iTextSharp Handle PDF Compression? – Stack Overflow

On Tue, Jul 8, at 9: Hi RamonCrgg, This forum is about visual studio IDE, as your issue is related to your visual basic code, it would be related to vb, I help you move this case to visual basic forum for dedicated support.

Compression levels The next example uses different techniques to change the compression settings of a newly created PDF document. Files with hundreds of fompression went from 60MB to itexthsarp. There are several options but mkl is right: