Shrink PDF Size – Try Online & Build with C#, Java, Python

resize-pdf-pages.md

Learn how to How to Resize PDF Pages Online or with Code in C#, Java, and Python

resize-pdf-pages_in_csharp.cs

// Step 1: Import Aspose.PDF
using Aspose.Pdf;

// Step 2: Load the PDF document
Document document = new Document("input.pdf");

// Step 3: Resize pages to A3 using PageSize enum
foreach (Page page in document.Pages)
{
    page.Resize(PageSize.A3);
}

// Step 4: Save the output
document.Save("output_a3.pdf");

resize-pdf-pages_in_java.java

// 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");

resize-pdf-pages_in_python.py

# Step 1: Import the Aspose.PDF module
import aspose.pdf as ap  

# Step 2: Load the input PDF file
document = ap.Document("input.pdf")  

# Step 3: Define new page dimensions in points (Letter size = 612 x 792)
new_width = 612
new_height = 792

# Step 4: Loop through all pages and apply the new size
for page in document.pages:
    page.set_page_size(new_width, new_height)

# Step 5: Save the resized PDF to disk
document.save("output_custom_size.pdf")