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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One option in listing And I sent a couple more different. Dear Leonard Rosenthol, I didn’t try using Adobe Acrobat but i want to do through programmatically not manually why because that is not a fixed size it may vary and the files should be uploaded by users.

Add your solution here.

C# tutorial: PDF compression

However you may be able to use System. Purchasing a library wouldn’t be a problem.

This is only possible since PDF version 1. Read the question carefully. Pdf enterprise library, and it worked great. Insults are not welcome.

Reduce PDF file size. I haven’t used ITextSharp compression but I doubt that. What information in those PDFs is superfluous in your context itwxtsharp can be thrown away?


PDF and compression (iText 5)

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”. C and itextsharp PDF compression.

The remaining things I don’t mine like fonts,headers etc. I’m not a developer, i always use this free online pdf to image converter http: Compression of stream objects mainly images could help you to decrease overall PDF size.

Possibly a super simple document might get larger with this enabled, not sure and don’t feel like testing.

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

This email is in use. Sign in to vote. PDF of kb on my desktop to a Zip folder and the Zip folder is kb in size so not much reduction occured. Knowing nothing about the PDFs in compresss it is hard to tell whether or not they can be compressed at all.

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. In iTextSharp, you can use the CompressionLevel property of the PdfWriter class to set the compression level of stream objects that are written to the FileStream.


This is a destructive itextshwrp but it might be acceptable in your environment. Chances are they have and don’t get it. PDF is mostly images then probably not much compression will occur since those will probably already be compressed images unless they are.

Itextshaarp Questions Search Ihextsharp. Post as a guest Name. This algorithm is similar to the ZIP algorithm and you can set different levels of compression from 0 to 9; where choosing -1 will use whatever your programming language considers being the default.

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.

This email is in use. GetPageContent 1PdfStream.

You will use the SetFullCompression method of the PdfWriter class to use the full compression option.

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