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Online Document Comparison App and Java Code to Compare PDF Files

Develop powerful Java based PDF document comparison applications. Freely compare documents including PDF files online via app with instant download.

PDF Compare via Python PDF Compare via C# .NET PDF Compare in Android Apps

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Compare PDF Files Online using App

  1. Upload Two PDF Files to Compare.
  2. Click the “Compare” Button.
  3. Download Highlighted Results.

Compare PDF File via Java

  1. Add library reference to Java project
  2. Load the both PDF documents using Document class.
  3. Save both documents to Word formats.
  4. Load both documents Document class
  5. Use the compare method to compare both documents
  6. Use getRevisions().getCount() method to check if documents are different.
  7. Save first document PDF format and get the differences.
 

Java code to compare PDF files

 
 

Develop PDF File Comparison Application using Java

Need to develop Java based software or utility application to easily compare PDF files? With Aspose.Words for Java , child API of Aspose.Total for Java , any Java developer can integrate the above API code to program comparison app. Powerful Java library for document comparison supports many popular formats including PDF format such as PDF, Word, PowerPoint, Email messages and Excel files.

PDF Comparison library for Java

There are alternative options to install “ Aspose.Words 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:

System Requirements

  • Java SE 7 or recent Java versions
  • Separate package for Java SE 6 in case you have this outdated JRE.

For JogAmp JOGL, Harfbuzz font engine and Java Advanced Imaging JAI details please refer to [Product Documentation](https://docs.aspose.com/words/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 compare PDF files using Java. Use Aspose PDF comparison API to develop high-level, platform independent software in Java.
  • Is this document comparison App work only on Windows?
    You have the flexibility to initiate document comparison 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 compare 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 comparison.
  • How can I compare multiple PDF files?
    Start by uploading one or more files you want to compare. You can either drag and drop your PDF files or simply click inside the white area. Afterward, click the 'Compare' button, and our online Comparison app will quickly process the uploaded files.
  • How long does it take to Compare the PDF files?
    This Comparison application operates quickly, It may take a few seconds to upload the files and Compare them.

Explore File Comparison Options with Java

Compare DOC Files (Microsoft Word Binary Format)
Compare DOCM Files (Microsoft Word 2007 Marco File)
Compare DOCX Files (Office 2007+ Word Document)
Compare DOT Files (Microsoft Word Template Files)
Compare DOTM Files (Microsoft Word 2007+ Template File)
Compare DOTX Files (Microsoft Word Template File)
Compare HTML Files (Hyper Text Markup Language)
Compare MHTML Files (MIME HTML)
Compare ODP Files (OpenDocument Presentation Format)
Compare ODT Files (OpenDocument Text File Format)
Compare PDF Files (Portable Document Format)
Compare POTM Files (Microsoft PowerPoint Template File)
Compare POTX Files (Microsoft PowerPoint Template Presentation)
Compare Powerpoint Files
Compare PPS Files (PowerPoint Slide Show)
Compare PPSM Files (Macro-enabled Slide Show)
Compare PPSX Files (PowerPoint Slide Show)
Compare PPT Files (PowerPoint Presentation)
Compare PPTM Files (Macro-enabled Presentation File)
Compare PPTX Files (Open XML presentation Format)
Compare RTF Files (Rich Text Format)
Compare TXT Files (Text Document)
Compare Word Files