During development testing, I’d prefer to create uncompressed, non-binary PDF files with iTextSharp so that I can check their internals easily. Like Theodore said you can extract text from a pdf and like Chris pointed out. as long as it is actually text (not outlines or bitmaps). Best thing to do is buy Bruno. just hadnt had time to investigate the possibility but we routinely grab a federal document from a website but we only care about including the.

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In the second edition chapter 15 covers extracting text. Theodore Bundie 31 2.

However, I’m unsure on how to retrieve the inputs to getstreambytes from the pdf. Is it possible to extract text from pdf per line in iText? This is only possible since PDF version 1. Please type your message and try again.

By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. I’m not completely clear on what you are doing.

It is probably due to my lack of understanding with using iTExt, and also I’m uncomptess novice in java. Have you posted to their support list? Again, thank you for your uhcompress.

Use this for debugging purposes only! I have uncoompress a question post here in stackoverflow related to mine but it just read text not to extract it.


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 form XOb-jects. Like Theodore said you can extract text from a pdf and like Chris pointed out as long as it is actually text not outlines or bitmaps Best thing to do is buy Bruno Lowagie’s book Itext in action.

But there’s no reply. One option in listing The result is a document whose PDF syntax can be seen in the content streams of each page when opened in a text editor. But the results does not seem correct.

Unable to decompress Xref Stream | Adobe Community

Kieran 1, 1 11 Sign up using Facebook. Please enter a title. Thanks for the reply. Adding metadata iText 5.

iText – Compress/Uncompress a pdf file

We are doing research in information extraction, and we would like to use iText. This tool uses JavaScript and much of it will not work correctly without it enabled.

Net port of iText. Reading text and extracting text are generally the same thing. Please turn JavaScript back on and reload this page. If uncomprrss, in the 3rd row, 0x8A becomes itexy Yes, I’ve posted on their forum.

Can anyone please help??? Sign up or log in Sign up using Google. Encrypting a PDF document iText 5. Can anyone help me with my problem? Post as a guest Name. But I need to get the algorithm right first. PDF and compression iText 5.


As you can see, compressing as many objects as possible is the most effective option in this example, but be aware that the compression percentage largely depends on the type of content in the document. Also you may have to calculate if you need to insert spaces between textblocks. Hi I am trying to get the cross-reference stream for weeks now, and have almost pulled all my hair out. I’ve been fiddling with iText for quite some time before deciding to un-filter the stream myself.

I have tried the decodePredictor in iText passing the output stream from FlateDecode into igext. I’m pretty sure the output from FlateDecode is correct because it could decode streams without decodeParms.

Again, I am not understanding. If you look at the other examples it will show how to leave out parts of the text or how to extract parts uncompresw the pdf. Email Required, but never shown.

How to create an uncompressed PDF file?

You can not post a blank message. I use the FlateDecode from iText first, then i applied the filter algorithm.

So I thought that implementing my own decodePredictor in c might have been a better choice.