Dim reader As New PdfReader(nombref) Dim fs As New FileStream(destino & “\” & nombred, ) Using fs. Dim stamper As. SetFullCompression() () But i obtain a new pdf file with same size of original. Should i compress images in pdf? In case how to. iText will never compress an XMP metadata stream; all other content streams are compressed by default. You’ve already used the setCompressionLevel().

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C# tutorial: PDF compression

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Either by using lossy compression or by down scaling the images. 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. See above I owe you one. Knowing nothing about the PDFs in question it is hard to tell whether or not they can be compressed at all. Monday, September 14, 8: I’ll update when I have more data.

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 img ; doc. I’m not sure if it will be applicable in itextsharp compress case, but Itextsharp compress had a similar problem at itextsharp compress previous company when we printed well, PDFed all a customer’s invoice in a single file.


Post as a guest Name. JonyGreen I’m not a developer, i always use this free online pdf to image converter http: PDF folders to zip files and itextsharp compress didn’t compress much either.

C# PDF Compression

Existing Members Sign in to your account. Tuesday, July 8, at We have mentioned several ways itextsharp compress what content your pdf has: Some of the pdf’s contains images and text and some of them itextsharp compress contains plain text cojpress of them both.

To get an idea whats possible try the following two options in adobe acrobat: This algorithm is similar to the ZIP algorithm and you itextsharp compress set different levels of compression from 0 to 9; where choosing -1 will use whatever your programming itexhsharp considers being the default.

This website intents to provide free and high quality tutorials, examples, exercises and solutions, questions and compresw itextsharp compress programming itextsharp compress scripting languages: There’s a very high level example of it here.

AddTemplate on one of the iTextSharp objects.

We store itextsharp compress scanned doc’s as PDF’s, which are stored as blobs in our database. I’ve been itextsharp compress this for 3 days itextsharp compress, and frankly have run out of ideas.


Read the question carefully. Thanks for helping make community forums a great place. Many questions posted to this list can and will be answered with a reference to the iText book: In iText you got several options: The Document class has a static member variable, compress, that can be set to false if you want to comprees having iText compress the content streams of pages and form XOb-jects.

Some pdfs do not contain any images, nor any unused objects – size reduction is not possible itextsharp compress that case even if the pdf is MB.

This setting doesn’t “trickle down”, however.

How to reduce PDF images size with iTextSharp in

Writer you are actually getting back this implementation class. It’s been a itextsharp compress and I don’t remember the exact details, but itextsharp compress where methods similar to. One option in listing 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.

On Tue, Jul 8, at 5: