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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There are errors once in a while because you are using the wrong method to concatenate documents. Project Setup We shall use Maven to setup our project. We often face a situation where we need to merge some of the PDF Documents in our applications. This is my code:.

You completely ignore the page size of the pages in the original iext 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. Spring Interview Questions 7.

Want to be an iText Master? Is there some way to detect the page size and then use that same page irext for those documents? Subscribe to our newsletter and download the iText Tutorial right now!

I agree to the Terms and Privacy Policy. You can prevent this by using writer. Do you want to itet how to develop your skillset to become a Java Rockstar?

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JVM Troubleshooting Guide 3. Post as a guest Name. Using PdfWriter to merge documents is a bad idea. Chandan holds a degree in Computer Engineering and is a passionate software programmer. 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: Sometimes this happens because the documents aren’t 8.

You’re only making it harder on yourself if you insist on using that class.

How to merge documents correctly?

Sign up using Email and Password. This is my code: This is typically not what you want.

By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. I don’t understand why so many people use the wrong approach to merge documents. Skip to main content. Manipulating existing PDFs iText 5. Are you a founder of the itext library? If you continue to use this site, you agree to our use of cookies. If you need an example, see for instance the FillFlattenMerge2 example:.

Next, we iterate over all the pages in each of the document using the PdfReader. Terms of Use Privacy Policy Contact. I would like to add a link to an existing pdf that jumps to a coordinate on another page. In order to help you master iText Library, we have compiled a kick-ass guide with all the major iText features and use cases!

iText 7 merging PDF documents

Besides studying them online you may download the eBook in PDF format! The comment form collects your name, email and content to allow us keep track of the comments placed on the website. We import the page from the document using the PdfWriter. In this example we will demonstrate how we can merge multiple PDF Documents into one. As documented, merbe are throwing away all annotations by adding PdfImportedPage instances to a document using addTemplate.


How to merge documents correctly? This has been explained ,erge StackOverflow many times! I recognize your name from the itext namespaces. I’m using the following code to merge PDFs together using iText: We use cookies to ensure that we give you the best experience on our website.

PdfMerger (iText 7 API)

PdfReader object from each FileInputStream instances we extract from the list. I blame the unofficial documentation for the popularity of this wrong approach. Java Mergee Tutorial 5. JPA Mini Book 2. JUnit Tutorial for Unit Testing 4. I am looking itexy the PDFs themselves to see what is special about the ones that are being flipped.

Replace the content of the existing pom. Or, if not, is it possible to have it fit to page? Join Stack Overflow to learn, share knowledge, and build your career. Next, we create an OutputStream instance, which will create the file we wish to be the final output document.

Nicholas DiPiazza 3, 5 34 Please read chapter 6 of my book and you’ll notice that using PdfWriter to concatenate or merge PDF documents is wrong: In your case, you also need to add page numbers, you can do this in a second go, as is done in mrege StampPageXofY example:.