What is ConcatPDF

The PDF combination / extraction software developed by Mr. Ichiya Ujihara who is J# section winner in the MVP program accepted to have abundant knowledge and experiences to products of Microsoft, and to share the capability with a broad user, is released with charge-free.
iText.NET by which Mr. Ujihara transplants to the .NET Framework environment the PDF generation library iText for JAVA developed by Mr. Bruno and Mr. Paulo and others are used for the soft inside.

System requirements

OS : Windows 98/ME/NT/2000/XP
.NET Framework 1.1
(.NET Framework 2.0 is not supported.)
Visual J# .NET Version 1.1

How to download

  1. Go to the project page oin the website of
  2. "Download" in the menu group of is clicked.
  3. Since the product list of project is displayed, "Download" of the line of ConcatPDF is clicked.
  4. Since the download list of the compressed file for execution of ConcatPDF and source list compressed files is displayed, the file name whose Type column is ".zip" is clicked.
  5. Since a download place list is displayed, Download of arbitrary lines is clicked and downloaded.

How to install

  1. Check that redistributable packages of .NET Framework 1.1 and Visual J# .NET Version 1.1 are installed.
    If not installed, the clause of the required soft acquisition place of "ConcatPDF-readme.txt" in the file group which extracted the downloaded file is seen, software is come to hand and installed, and environment is prepared.
  2. The downloaded file is extracted.
  3. "setup" in the extracted file is double-clicked and executed.
  4. Since the message of "Welcome to..." is displayed when Framework is installed, "Next" is clicked.
    When not installed, the message to which installation is urged "This setup requires..." is displayed. Since a required soft acquisition place website will be displayed if "Yes" is clicked, it is installed.
  5. Since the selection screen of an installation location and a user is displayed as "Select Installation...", "Next" is clicked as it is.
  6. Since the completion message of installation preparation is displayed as "Confirm Installation", "Next" is clicked.
  7. Since installation is started and a message of "Installation Complete" is displayed after a while, "Close" is clicked and it is completion.


How to use

  1. ConcatPDF is started from the start menu of Windows.
  2. Since the screen of ConcatPDF is displayed, the PDF file for combination / extraction is dragged and dropped.
  3. If one PDF file is chosen from PDF file lists and Edit - Split is performed, the page of the selected PDF file will be decomposed and it will come to be displayed in a list by one per page.
  4. Similarly, deletion can do turn of a PDF file using adjustment and a X mark icon using the upper arrow and lower arrow icon of a menu bar.
  5. In combination, after arranging joint contents by the above-mentioned method, File - Save as is performed. The PDF file which combined now all that remained in list is saved.
  6. In extraction, all unnecessary portions are deleted from a list, and it saves them by File - Save as like the 5th clause. For example, if only 1 page of a PDF file extracts and excels, the procedure of the 3rd clause decomposes a page, and after deleting the page except the procedure of the 4th clause extracting, it saves.