Edit PDF Page Size in Java | change Paper Size in PDF

edit-pdf-page-size-in-java.md

Learn how to Edit PDF Page Size in Java

edit-pdf-page-size-in-java_method_1.java

import com.aspose.pdf.*;

public class editPageSize {
    public static void main(String[] args) {
        // Load the PDF document
        Document pdfDocument = new Document("sample_pdf.pdf");

        // Resize all pages to A4
        for (Page page : pdfDocument.getPages()) {
            page.resize(PageSize.getA4());
        }

        // Save the modified document
        pdfDocument.save("output_a4.pdf");
    }
}

edit-pdf-page-size-in-java_method_2.java

import com.aspose.pdf.*;

public class ResizeCustomPageSize {
    public static void main(String[] args) {
        // Load existing PDF
        Document pdfDocument = new Document("sample_pdf.pdf");

        // Define custom size (e.g., 500 x 700 points)
        double customWidth = 500;
        double customHeight = 700;

        // Resize each page
        for (Page page : pdfDocument.getPages()) {
            page.setPageSize(customWidth, customHeight);
        }

        // Save the updated document
        pdfDocument.save("output_custom_size.pdf");
    }
}