iText will never compress an XMP metadata stream; all other content streams are compressed by default. Compressing and decompressing existing files. iTextSharp is AGPL-licensed, so you must release source code of your solution or Pdf can reduce size of compressed and uncompressed PDFs to different. C# and itextsharp PDF compression When I take the file and open it in Acrobat X, I can get the compression down to just Existing Members.

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PDF and compression (iText 5)

I just “sent” a. 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. The difference is how the objects table is laid out and you can clean it up, that will only do so much though. PDF is mostly images then probably not much compression will occur since those will probably already be compressed images unless they are.

SetMargins 0, 0, 0, 0 ; iTextSharp. Articles Quick Answers Messages Use my saved content filters.

Please Sign up or sign in to vote. Compression to compress or zip one of those to a smaller size.

Reduce image

Amsala Suresh, Suresh Amsala wrote. Suppose your PDF contains confidential information that should only be seen by a limited number of people. The following code helps you compress an existing PDF document.

The remaining things I don’t mine like fonts,headers etc.

If you find any error, please report it then we will take actions to correct it itexsharp soon as possible. Any idea using c and iTextSharp can we compress pdf Thanks in advance. There is a great answer I read on stackoverflow from Chris Haas: How to optimize compress pdf using c and iTextSharp. Basically you use iText to find and extract all images, perform your own reduction logic and then add the images back using iText.


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. This setting doesn’t “trickle down”, however. UnsedObjects and form fields: Community Websites Community Support. Encrypting a PDF document iText 5.

I’m reading versions before 5 are free but not recommended due to possible bugs and no support. My dear, i dont want tool, i want library file dll.

I am guessing you want to reduce the size of Pdfs which mostly or only contain images e. Let’s work to help developers, not make them feel stupid.

C# tutorial: PDF compression

Top Rated Most Recent. Existing Members Sign in to your account. Close ; This is the Pdf file before being compressed.

Anuja Pawar Indore Aug 8: Writer you are actually getting back this implementation class. Suppose that you have scanned text that is legible at its current resolution. Thank you for your understanding. J-man 3 Has its compression effect not been good enough? The next example uses different techniques to change the compression settings of a newly created PDF document.

When answering a question please: Compression of stream objects mainly images could help you to decrease overall PDF size. NET library existinb can use in your programs to ocr and compress existing PDF files or create new ones from scanned images. Purchasing a library igextsharp be a problem. 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.


It is comprees on a regular basis, depending on how many new questions appear on StackOverflow. There’s actually a third parameter that you can pass to SetPageContent to set your specific compression level if you want.

This property is actually part of the PdfStream class which many classes ultimately derive from. Knowing nothing about the PDFs in question it is hard to tell whether or not they can be compressed at all. This is some stub code that I copied, exieting shows the settings I am using for the beginning of the PDF creation process.

Optimize(compress)PDF using C# and iTextSharp | The Forums

Depending on what is in there, and what options are important to you embedded fonts, high quality images, etc. However, we don’t guarantee all things of the web are accurate. You need to be more specific here Email Required, but never shown. You can use the GetPageContent method to get the content stream of a page, and the SetPageContent method to put it back.

JonyGreen I’m not a developer, i always exishing this free online pdf to image converter http: In iText you got several options: