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1. Itextsharp Read Pdf From Byte Array
2. Itextsharp C# Examples

How can I read PDF content with the itextsharp with the Pdfreader class. My PDF may include Plain text or Images of the text.

Dustin Laine

LGPL / FOSS iTextSharp 4.x. This will extract the text only data from the PDF, if the text displayed is Foo(bar) it will be encoded in the PDF as (Foo (bar ))Tj, this method would return Foo(bar) as expected. This method will strip out lots of additional information such as location coordinates from the raw pdf content. Reading pdf content using iTextSharp in C#. Ask Question. Up vote 4 down vote favorite. I use this code to read pdf content using iTextSharp. It works fine when content is english but it doesn't work whene content is Persian or Arabic. Result is something like this: Here is sample non-English PDF for test. IText is a PDF library that allows you to CREATE, ADAPT, INSPECT and MAINTAIN documents in the Portable Document Format (PDF), allowing you to add PDF functionality to your software projects with ease. We even have documentation to help you get coding.

6 Answers

We can also accomplish above by using other third party tools like PDFLib, PDFBox etc. But these are license versions – so I used free version of assembly iTextSharp. Read Text from Word documents In this section we will discuss how to read text from the Word document. Step 1 Add Microsoft.Office.Interop.Word assembly to project. In the tutorial, we show how to Write/Read PDF File with iText library. ContentsCreate Maven ProjectWrite Text to PDF with iTextRead Text from PDF with iTextSourceCode Create Maven Project We create a Maven project with iText dependency: crayon-5d811f4cc449/ Project structure: Write Text to PDF with iText We use PdfWriter to write text to PDF file.

ShravankumarKumar ShravankumarKumar

You can't read and parse the contents of a PDF using iTextSharp like you'd like to.

Itextsharp Read Pdf From Byte Array

From iTextSharp's SourceForge tutorial:

You can't 'parse' an existing PDF file using iText, you can only 'read' it page per page.

What does this mean?

The pdf format is just a canvas where text and graphics are placed without any structure information. As such there aren't any 'iText-objects' in a PDF file. In each page there will probably be a number of 'Strings', but you can't reconstruct a phrase or a paragraph using these strings. There are probably a number of lines drawn, but you can't retrieve a Table-object based on these lines. In short: parsing the content of a PDF-file is NOT POSSIBLE with iText. Post your question on the newsgroup news://comp.text.pdf and maybe you will get some answers from people that have built tools that can parse PDF and extract some of its contents, but don't expect tools that will perform a bullet-proof conversion to structured text.

Jay RiggsJay Riggs

None of the other answers were useful to me, they all seem to target the AGPL v5 of iTextSharp. I could never find any reference to SimpleTextExtractionStrategy or LocationTextExtractionStrategy in the FOSS version.

Something else that might be very useful in conjunction with this:

This will extract the text only data from the PDF, if the text displayed is Foo(bar) it will be encoded in the PDF as (Foo(bar))Tj, this method would return Foo(bar) as expected. This method will strip out lots of additional information such as location coordinates from the raw pdf content.

dovidChris MarisicChris Marisic

Here is a VB.NET solution based on ShravankumarKumar's solution.

This will ONLY give you the text. The images are a different story.

Carter MedlinCarter Medlin

Itextsharp C# Examples

In my case I just wanted the text from a specific area of the PDF document so I used a rectangle around the area and extracted the text from it. In the sample below the coordinates are for the entire page. I don't have PDF authoring tools so when it came time to narrow down the rectangle to the specific location I took a few guesses at the coordinates until the area was found.

As noted by the above comments the resulting text doesn't maintain any of the formatting found in the PDF document, however I was happy that it did preserve the carriage returns. In my case there were enough constants in the text that I was able to extract the values that I required.

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kleopatra

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I am having an problem with reading a table from pdf file. It's a very simple pdf file with some text and a table. The tool i am using is itextsharp. I know there is no table concept in PDF. After some googling, someone said it might be possible to achieve that using itextsharp + custom ITextExtractionStrategy. But I have no idea how to start it. Can someone please give me some hints? or a small piece of sample code?

Cheers

VictorVictor

4 Answers

This code is for reading a table content. all the values are enclosed by ()Tj, so we look for all the values, you can do anything then with the string resulst.

gustavohenke

This Code is just for read the PDF file you'll need the

from the dll itextsharp.dll

Take a look at IvyPdf: www.ivytools.netIt can recognize and extract tables from PDFs, as well as any other info. And it's free for personal use.

This is a more manual way, but it can be useful.

using:

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