Shrink a PDF Size Online in Seconds or Build Your Own Tool

shrink-pdf-size.md

Learn how to Shrink a PDF Size Online in Seconds or Build Your Own Tool

shrink-pdf-size_in_csharp.cs

// Load the PDF document from the specified file path
var document = new Document("input.pdf");

// Create an OptimizationOptions object to define compression settings
var options = new OptimizationOptions
{
    // Remove unused objects from the PDF to free up space
    RemoveUnusedObjects = true,

    // Remove unused streams (extra data not required for display)
    RemoveUnusedStreams = true,

    // Link duplicate streams so identical resources (e.g., fonts, images) are stored only once
    LinkDuplicateStreams = true,
};

// Enable image compression
options.ImageCompressionOptions.CompressImages = true;

// Set image quality to 75% (balances file size and visual clarity)
options.ImageCompressionOptions.ImageQuality = 75;

// Apply the optimization settings to the PDF document
document.OptimizeResources(options);

// Save the shrinked PDF to the specified output path
document.Save("shrinked.pdf");

shrink-pdf-size_in_java.java

import com.aspose.pdf.Document;
import com.aspose.pdf.optimization.OptimizationOptions;

public class ShrinkPDF {
    public static void main(String[] args) {
        // Load the PDF document from the specified file path
        Document document = new Document("input.pdf");

        // Create an OptimizationOptions object to define compression settings
        OptimizationOptions options = new OptimizationOptions();

        // Remove unused objects from the PDF to free up space
        options.setRemoveUnusedObjects(true);

        // Remove unused streams (extra data not required for display)
        options.setRemoveUnusedStreams(true);

        // Link duplicate streams so identical resources (e.g., fonts, images) are stored only once
        options.setLinkDuplicateStreams(true);

        // Enable image compression
        options.getImageCompressionOptions().setCompressImages(true);

        // Set image quality to 75% (balances file size and visual clarity)
        options.getImageCompressionOptions().setImageQuality(75);

        // Apply the optimization settings to the PDF document
        document.optimizeResources(options);

        // Save the shrunk (compressed) PDF to the specified output path
        document.save("shrinked.pdf");
    }
}

shrink-pdf-size_in_python.py

import aspose.pdf as ap

# Load the PDF document from the specified file path
document = ap.Document("input.pdf")

# Create an OptimizationOptions object to define compression settings
options = ap.optimization.OptimizationOptions()

# Remove unused objects from the PDF to free up space
options.remove_unused_objects = True

# Remove unused streams (extra data not required for display)
options.remove_unused_streams = True

# Link duplicate streams so identical resources (e.g., fonts, images) are stored only once
options.link_duplicate_streams = True

# Enable image compression
options.image_compression_options.compress_images = True

# Set image quality to 75% (balances file size and visual clarity)
options.image_compression_options.image_quality = 75

# Apply the optimization settings to the PDF document
document.optimize_resources(options)

# Save the shrunk (compressed) PDF to the specified output path
document.save("shrinked.pdf")