Rearrange PDF Pages Using Java

When you receive a PDF file with pages out of order, you may need to change the page order for a better viewing experience. In this article, you will learn how to programmatically change page order in a PDF document using Free Spire.PDF for Java.

Import JAR Dependency

● You can download the free API and unzip it. Then add the Spire.Pdf.jar file to your project as dependency.
● Or you can directly add the jar dependency to maven project by adding the following configurations to the pom.xml.

<repositories>
    <repository>
        <id>com.e-iceblue</id>
        <name>e-iceblue</name>
        <url>https://repo.e-iceblue.com/nexus/content/groups/public/</url>
    </repository>
</repositories>
<dependencies>
    <dependency>
        <groupId>e-iceblue</groupId>
        <artifactId>spire.pdf.free</artifactId>
        <version>4.3.0</version>
    </dependency>
</dependencies>

Sample Code

The PdfDocument.getPages().reArrange() method offered by Free Spire.PDF for Java allows you to change the PDF page order quickly and effortlessly. The detailed steps are as follows.

1. Create a PdfDocument object.
2. Load a sample PDF file using PdfDocument.loadFromFile() method.
3. Rearrange the pages using PdfDocument.getPages().reArrange() method.
4. Save the document to another file using PdfDocument.saveToFile() method.

import com.spire.pdf.PdfDocument;

public class RearrangePages {

    public static void main(String[] args) {

        //Create a PdfDocument object
        PdfDocument doc = new PdfDocument();

        //Load the sample PDF file
        doc.loadFromFile("C:\\Users\\Administrator\\Desktop\\Food.pdf");

        //Rearrange pages by setting a new page order
        doc.getPages().reArrange(new int[]{0, 2, 1, 3});

        //Save to file
        doc.saveToFile("ChangeOrder.pdf");
        doc.close();
    }
}