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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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C and itextsharp PDF compression. But the problem i m facing is that the pdf which i m getting as an output is double in size as to tif.

This email is in use. Compression of stream objects mainly images could help you to decrease overall PDF size. PDF of kb on my desktop to a Zip folder and the Zip folder is kb in size so not much reduction occured. Provide an itextshar; or move on to the next question.

PDF and compression (iText 5)

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. Do you need your password? In the resulting PDF file, content streams will be compressed, but so will some other objects, such as the cross-reference table. Email Required, but never shown. This site is started with itextshrap to serve the ASP. A lot of people are against trying to do this yourself because any mishap and you corrupt the entire PDF file.


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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. Sign up using Email and Password. PDF is mostly images then probably not much compression will occur since those will probably already be compressed images unless they are.

C# and itextsharp PDF compression

Pdf enterprise library, and it worked great. Carlos Arturo Bernal Carvajal.

Suppose that you have scanned text that is legible at its current resolution. Net Answered Active Solved. Possibly a super simple document might get larger with this enabled, not sure and don’t feel like testing. They contain lots of images and text all of which is exported as one single image on the page within the PDF. Posted one year ago Modified on one year ago. 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.

Insults are not welcome. The Document class has a static member variable, compress, that can be set to false if you want to avoid having iText compress the content streams of pages and compess XOb-jects.

This is some stub code that I copied, it shows the settings I am using for the beginning of the PDF creation process. Last post Nov 12, BrunoLowagie, I absolutely agree that changing an image in any way could destroy the original intention of the image and make it not usable. Leonard, didn’t know at first what you meant with “refrying” but found itexgsharp article of yours which explains it quite well: Can any one solved these issue or explain me where i m going to be wrong.


Use this for debugging purposes only!

Reduce PDF file size

What I have tried: However you may be able to use System. Community Websites Community Support. Size of converted pdf file using Itextsharp class. A minimal “Hello World” file could increase iyextsharp file size when you use “full compression”. Add your solution here. Chances are they have and don’t get it. Powered by Excelasoft Solutions. There’s a very high level example of it here.

compress pdf file with itextsharp

This can be handy when you need to debug a PDF document. We have mentioned several ways depending what content your pdf has: Format “Original file size: Print Share Twitter Facebook Email. When answering a question please: If iTextSharp does not support compression, does anyone have suggestions for other. I work at a photobook internet company and we generate the print PDF’s using iText, but the output can be huge, like mb, so we use Ghostscript to compress the resulting file.

My task is converting tif to pdf. Close ; This is the Pdf file before being compressed. 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”.