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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Writer you are actually getting back this implementation class. The difference is how the objects table is laid out and you can clean it up, that will only do so much though. Post as a guest Name. This email is in use.

Reduce PDF file size

I agree, here is the link: There ocmpress a great answer I read on stackoverflow from Chris Haas: RemoveUnusedObjects ; will also help you recent versions remove unused objects by default. Because of their ignorance, they add the image as many times as there are pages. Forums Questions Search Search.

Some of the pdf’s contains images and text and some of them are contains plain text some of them both. Remove From My Forums. Net using C and VB.

Compression levels The next example uses different techniques to change the compression settings of a newly created PDF document. Sign up using Facebook. Best Regards, 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.

Insults are not welcome. As a workaround, you can use the getPageContent method to get the content stream of a page, and the setPageContent method to put it back.


Hi saliniRefer the below sample code. Show message ; Process.

A lot of people are against trying to do this yourself because any mishap and you corrupt the entire PDF file. One of the biggest files gets very close to the 10GB limit on file size.

Many of the properties on PdfStamper also pass directly through to the implementation class. In the resulting PDF file, content streams will be compressed, but itextsuarp will some other objects, such as the cross-reference table. How can I achieve this using iTextSharp in C.

If you find any error, please report it then we will take actions to correct it as soon as possible. Insults are not welcome. Understand that English isn’t everyone’s first language so be lenient of bad spelling and grammar. PDF compression won’t help you in this case, but if you pass such a “bad” PDF through iTextSharp’s PdfSmartCopythen PdfSmartCopy will detect the redundant objects and reorganize the file so that objects that are repeated cokpress and over again in the file for instance: 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.

Depending on the version of iTextSharp you’re using reader. By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

I am guessing you want to reduce the size of Pdfs which mostly or only contain images e. Forum Downloads About Contact. This email is in use. I haven’t used ITextSharp compression but I doubt that. This is only possible since PDF version 1. Posted one year ago.


This property is actually part of the PdfStream class which many classes ultimately derive from. Hi All, I stuck in my Coding. How to reduce size of pdf using itextsharp. Suppose that you have scanned text that is legible at its current resolution.

By doing this, iTextSharp thinks the stream has changed, and it will use the compression level that was defined for writer object of the PdfStamper.

This books bundles interesting questions that have been posted by other developers like you. Treat my content as plain text, not as HTML. There’s actually a third parameter that you can pass to SetPageContent to set your specific compression level if you want.

Close ; This is the Pdf ckmpress before being compressed. Compression of stream objects mainly images could help you to decrease overall PDF size.

C# tutorial: PDF compression

Just do itexttsharp searches for iTextSharp and image compression there should be several internal solutions out there. HasFile Then If fuUpload. You need a human being to make that decision. NET library you can use in your programs to ocr and compress existing PDF files or create new ones from scanned images. Ok Suresh, that is not possible. If iTextSharp does not support compression, does anyone have suggestions for other. Compression to compress or zip one of those to a smaller size.

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