Compress PDF File Online via Compression App or using Java

Develop powerful Java based PDF document compression applications. Freely compress various documents including PDF files online via app with instant download.

Compress and Optimize PDF Files Online using App

Upload PDF files to compress and optimize.
Choose the Compression Level (Low, Medium or High)
Click the “Compress” button.
Download the compressed PDF file.
View and get the result of compression by checking its size and content quality.

Compress PDF File via Java

Add library reference into your Java project
Load the document via Document class object
Use OptimizationOptions class object
Use the optimizing object to setCompressImages and setImageQuality
Invoke the optimizeResources using document object
Or directly use optimizeResources for PDF compression
Call save method and get the compressed PDF file

Code example in Java to compress PDF Files

	Document pdfDocument = new Document(_dataDir + "Shrinkimage.pdf");

	com.aspose.pdf.optimization.OptimizationOptions optimizationOptions = new com.aspose.pdf.optimization.OptimizationOptions();

	optimizationOptions.getImageCompressionOptions().setCompressImages(true);

	optimizationOptions.getImageCompressionOptions().setImageQuality(50);

	pdfDocument.optimizeResources(optimizationOptions);

	pdfDocument.save(_dataDir + "Shrinkimage_out.pdf");

view raw compress-pdf-by-reducing-image-sizes.java hosted with ❤ by GitHub

Java Code: Compress PDF Files

	Document pdfDocument = new Document(_dataDir + "sourceFile.pdf");
	pdfDocument.optimizeResources();
	pdfDocument.save(_dataDir + "OptimizedDocument.pdf");

view raw compress-pdf-by-removing-unnecessary-objects.java hosted with ❤ by GitHub

Develop PDF File Compression Application using Java

Need to develop Java script or utility app to easily compress multiple PDF files? With Aspose.PDF for Java child API of Aspose.Total for Java , any Java developer can integrate the above API code to program compression app across documents. Powerful Java library for document compression supports many popular formats including PDF format.

Java Compression Library for PDF Files

There are alternative options to install “ Aspose.PDF for Java ” or “ Aspose.Total for Java ” onto your system. Our Java package is designed to be cross-platform, compatible with JVM implementations on various operating systems such as Microsoft Windows, Linux, macOS, Android, and iOS. Please choose one that resembles your needs and follow the step-by-step instructions:

Install Aspose.PDF for Java
Or from Maven
Step by Step Instructions

System Requirements

J2SE 8.0 (1.8) or above
Support of Aspose.PDF for Java on IBM i (Iseries or As/400)

For details please refer to [Product Documentation](https://docs.aspose.com/pdf/java/system-requirements/#optional-dependencies).

FAQs

Can I use above Java code in my application?
Yes, you are welcome to download this code. One can easily develop a professional solution to compress PDF file using Java. Use Aspose PDF compression API to develop high-level, platform independent software in Java.
Is this document compression App work only on Windows?
You have the flexibility to initiate document compression from any device, irrespective of the operating system it runs on, whether it be Windows, Linux, Mac OS, or Android. All that's required is a contemporary web browser and an active internet connection.
Is it safe to use the online app to compress multiple PDF documents?
Of course! The output files generated through our service will be securely and automatically removed from our servers within a 24-hour timeframe. As a result, the download links associated with these files will cease to be functional after this period.
What browser should to use App?
You can use any modern web browser like Google Chrome, Firefox, Opera, or Safari for online PDF document compression.
How can I compress multiple PDF files?
Start by uploading one or more files you want to compress. You can either drag and drop your PDF files or simply click inside the white area. Afterward, click the 'Compress' button, and our online compression app will quickly process the uploaded files.
How long does it take to compress the PDF files?
This compression application operates quickly, It may take a few seconds to upload the files and compress them.