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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Leonard, didn’t know at first what you meant with “refrying” but found this article of yours which explains it quite well: Ok Suresh, that is not possible. Has its compression effect not been good enough?

Compression of stream objects mainly images could help you to decrease overall PDF size. Anuja Pawar Indore Aug 8: NET library you can use in your programs to ocr and compress existing PDF files or create new ones from scanned images. Tuesday, July 8, at This email is in use. You can use the GetPageContent method to get the content stream of a page, and the SetPageContent method to put it back.

Adding metadata iText 5. Do you need your password? Many questions posted to this list can and will be answered with a reference to the iText book: Optimize pdf library for. This is only possible since PDF version 1. It still works but it is very close to the upper limit. In iTextSharp, dompress can use the CompressionLevel property of the Comprsss class to set the compression level of stream objects that are written to the FileStream.


UnsedObjects and form fields: Anuja Pawar Indore 8-Sep 5: They contain lots of images and text all of which is exported as one single image on the page within the PDF. Yes, iText and iTextSharp support compression.

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. I will look into it more and see if I can tweak it down to a reasonable file size. Add your solution here. You can specify one compression option from the table below.

Remove From My Forums. Don’t tell someone to read the manual. Just because you tell iTextSharp to use compression when saving the PDF, it doesn’t mean it will reduce it very much if at all. Print Share Twitter Facebook Email. It is updated on a regular basis, depending on how many new questions appear on StackOverflow.

PDF and compression (iText 5)

After executing the code the pdf file generated with size of KB. C and itextsharp PDF compression. Forum Downloads About Contact. I’m thinking of getting the commercial licensed 5.

Not for VB6 questions. Also, just to itexfsharp 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.

C# tutorial: PDF compression

Sign up or log in Sign up using Google. In reply to this post by TvT. Thanks, this thread also i raised In the comprress I’ve used Docotic. Akshaya Dash 8-Sep 5: I’m reading versions before 5 are free but not recommended due to possible bugs and no support. 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. 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 comperss is subject to these policies.


Compression levels The next example uses different techniques to change the compression settings of a newly created PDF document. There’s a very high level example of it here. Monday, September 14, 8: Chances are they have and don’t get it. By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

What information in those PDFs is superfluous in your context and can be thrown away?

The compression level 0, default compression, and compression level 9 can be specified by using constant values defined in the PdfStream class: I tried TVT’s Sample code but the file does not compressing I mean the file size is same before uploading and after uploading.

Understand that English isn’t everyone’s first language so be lenient of bad spelling and grammar. Thanks Bruno Lowagie, this is a very concise response.