Dim reader As New PdfReader(nombref) Dim fs As New FileStream(destino & “\” & nombred, ) Using fs. Dim stamper As. 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. Free source code and tutorials for Software developers and Architects.; Updated: 2 Apr

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PDFs created from a scanner etc. Has its compression effect not been good enough? Monday, September 14, 8: Using “full compression” itextsharo will cause the cross-reference table to be compressed should have an effect on the file size for PDFs with many indirect objects. I’m thinking of getting the commercial licensed 5.

Last post Nov 12, Chances are they have and don’t get it. With that comprses there are some 3rd party tools out there that will do it for you, but I don’t know of any free ones.

If you let a machine decide whether or not to reduce the resolution, you’ll never be certain if the text will still be legible after “compression”.

Hi All, I stuck in my Coding. Net Community by providing forums question-answer site where people can help each other.

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

Also, just to throw this out there because I deal with this at my day job, there’s a third type of “compression” that iText does not directly handle, and that’s lossy compression of images which will often do the most dramatic reduction of file size if you are willing to sacrifice quality. The next example uses different techniques to change the compression settings of a newly created PDF document. PDF and compression iText 5.


Suppose your PDF contains confidential information that should only be seen by a limited number of people.

PDF and compression (iText 5)

I mean if you want to reduce the size of your pdf we could also tell you to cut of pages until your pdf has the right size.

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. You need to be certain that there are unused things in your pdf. Have you tried the suggestion from Chris’ answer?

Format “Original file size: Many of the properties on PdfStamper also pass directly through to the implementation class. You want to reduce the quality of the contained images so that the final size will be much smaller? Or you want to enforce access permissions to the people who download the PDF; for instance, they can view it, but they are not allowed to print it. itextshharp

It has a the ability to optimize it for you and get great compression ratios. Pdf enterprise library, and it worked great. ITextSharp allows you to navigate over PDF pages and edit objects inside it along with many other features. Yes, iText and iTextSharp support compression.

Since you are importing a stream from another location via GetPageContent and SetPageContent that specific stream has its own compression settings unrelated to the Writer’s compression settings.

Compression to compress or zip one of those to a smaller size.

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In reply to this post by TvT. This website intents to provide free and high quality tutorials, examples, exercises and solutions, questions and answers of programming and scripting languages: Post Your Answer Discard By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies.

Remove From My Forums. All of the above won’t help you much, because good PDF creators already compress whatever can be compressed.

iText – Reduce PDF file size

Don’t tell someone to read the manual. This property is actually part of the PdfStream class which many classes ultimately derive from. You can use the GetPageContent method to get the content stream of a page, and the SetPageContent method to put it back. Depending on the version of iTextSharp you’re using reader. Articles Quick Answers Messages Use my saved content filters. Sign up using Email and Password.

PDF folders to zip itextshrp and they didn’t compress much either. How to add image or screenshot to the Editor. I haven’t used ITextSharp compression but I doubt that. The remaining things I don’t mine like fonts,headers etc.

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. Close ; In the past I’ve used Docotic.