There are errors once in a while because you are using the wrong method to concatenate documents. Please read chapter 6 of my book and. Please find more details on iText on below link. Here is a code snippet which takes multiple PDFs stream as input and merging. Java itext merge two pdf files example:To merge two or more pdf file using iText jar first download the iText jar files and include in the application classpath.

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In the previous example we saw how we can create and add Barcode to the PDF document. Next, we create an OutputStream iitext, which will create the file we wish to be the final output document. You can prevent this by using writer. This is typically not what you want. In case anyone is looking for it, using Bruno Lowagie’s correct answer above, here is the version of the function that does not seem to have the page flipping issue i described above: Sign up using Email and Password. Please read and accept our website Terms and Privacy Policy to post a comment.

Anyone ever have this happen? Want to be an iText Master? Using PdfWriter to merge documents is a bad idea.


Replace the content of the existing pom. I am looking into the PDFs themselves to see what is special about the ones that are being flipped. We use cookies to ensure that we give you the best experience on our website.

JVM Troubleshooting Guide 3. Next, we iterate over all the pages in each of the document using the PdfReader. 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.

I don’t understand why so many people use the wrong approach to merge documents.

Java: Merging multiple PDFs into a single PDF using iText. – BurnIgnorance

Or, if not, is it possible to have it fit to page? Java Interview Questions 6. Manipulating existing PDFs iText 5. But once and a while, it’s rotating some of the pages by 90 degrees? In your case, you also need to add itexxt numbers, you can do this in a second go, as is done in the StampPageXofY example:.

Chandan holds a degree in Computer Engineering and is a passionate software programmer. If you need an example, see for instance the FillFlattenMerge2 example:. Download You can download the source code of this example here: Sign up using Facebook.


This is my code:. Stack Overflow works best with JavaScript enabled. You completely ignore the page size of the pages in the original document you assume they are all of size A4You ignore page boundaries such as the crop box if presentYou ignore the rotation value stored in the page dictionary, You throw away all interactivity that is present in the original document, and so on.

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Merge Multiple PDF Documents using iText and Java

Please read chapter 6 of my book and you’ll notice that using PdfWriter to concatenate or merge PDF documents is wrong:. Subscribe to our newsletter and download the iText Tutorial right now!

There are errors once in a while because you are using the wrong method to concatenate documents. PdfReader object from each FileInputStream instances we extract from the list. I’m using the following code to merge PDFs together using iText: