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Merge PDF Documents Online via Merger App or using Java

Develop powerful Java based PDF document merging application. Combine multiple PDF documents into single one online for free via app. Save PDF file as PDF, Images, Word, Excel, PowerPoint & many other formats online.

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Merge PDF Files Online using App

  1. Upload PDF files to merge them into single one online for free.
  2. Enter the parameters like selection from dropdown.
  3. Save to required format: PDF, DOCX, DOC, XLSX, PPTX, Image, HTML, and others
  4. Click the “Merge” button to Merge PDF into desired format.
  5. Download the combined PDF file to view instantly.

Merge PDF File via Java

  1. Add Java library reference into your project
  2. Load the first PDF document using Document class.
  3. Load the second PDF document using another instace of the same class.
  4. Use the first instance and call getPages().add function with second one as parameter.
  5. Call save method using the first object and get the merged files.
 

Java Code to Merge PDF Files

Document pdfFileOne = new Document(dataDir + "DocumentOne.pdf");
Document pdfFileSecond = new Document(dataDir + "DocumentSecond.pdf");
pdfFileOne.Pages.Add(pdfFileSecond.Pages);
pdfFileOne.Save(dataDir + "MergedFiles.pdf");
view raw merge-pdf-document.java hosted with ❤ by GitHub
 
 

Develop PDF File Merger using Java

Need to develop Java script or utility app to easily merge 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 merging app across documents. Powerful Java library allows programming document merger solution that can support many popular formats including PDF format.

Java Merging 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:

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 and utilize it for the purpose of developing Java-based applications focused on combining PDF documents. This code can serve as a valuable resource to enhance the functionality and capabilities of your projects in the domain of document merging.
  • Is this document merging App work only on Windows?
    You have the flexibility to initiate document merging 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 combine 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 merging.
  • How can I merge multiple PDF files?
    Start by uploading one or more files you want to merge. You can either drag and drop your PDF files or simply click inside the white area. Afterward, click the 'Merge' button, and our merger will quickly process the uploaded files.
  • How long does it take to merge the PDF files?
    This merging application operates quickly, It may take a few seconds to upload the files and merge them.

Explore File Merger Options with Java

Merge BMP Files (Bitmap Image File)
Merge DOC Files (Microsoft Word Binary Format)
Merge DOCM Files (Microsoft Word 2007 Marco File)
Merge DOCX Files (Office 2007+ Word Document)
Merge DOT Files (Microsoft Word Template Files)
Merge DOTM Files (Microsoft Word 2007+ Template File)
Merge DOTX Files (Microsoft Word Template File)
Merge Excel Files
Merge GIF Files (Graphical Interchange Format)
Merge IMAGE Files (Image Files)
Merge JPEG Files (Joint Photographic Expert Group)
Merge JPG Files
Merge ODP Files (OpenDocument Presentation Format)
Merge ODS Files (OpenDocument Spreadsheet)
Merge ODT Files (OpenDocument Text File Format)
Merge OTP Files (OpenDocument Standard Format)
Merge OTT Files (OpenDocument Template)
Merge PDF Files (Portable Document Format)
Merge PNG Files (Portable Network Graphic)
Merge POT Files (Microsoft PowerPoint Template Files)
Merge POTM Files (Microsoft PowerPoint Template File)
Merge POTX Files (Microsoft PowerPoint Template Presentation)
Merge Powerpoint Files
Merge PPS Files (PowerPoint Slide Show)
Merge PPSM Files (Macro-enabled Slide Show)
Merge PPSX Files (PowerPoint Slide Show)
Merge PPT Files (PowerPoint Presentation)
Merge PPTM Files (Macro-enabled Presentation File)
Merge PPTX Files (Open XML presentation Format)
Merge RTF Files (Rich Text Format)
Merge TIFF Files (Tagged Image File Format)
Merge TSV Files (Tab-separated Values)
Merge Word Files
Merge XLS Files (Microsoft Excel Binary Format)
Merge XLSB Files (Excel Binary Workbook)
Merge XLSM Files (Macro-enabled Spreadsheet)
Merge XLSX Files (Open XML Workbook)
Merge XLT Files (Excel 97 - 2003 Template)
Merge XLTM Files (Excel Macro-Enabled Template)
Merge XLTX Files (Excel Template)