For your convenience when you open document, you canfor the output PDF/A document in the conversion from PDF to PDF/A. The application you need to choose is one product of VeryDOC—PDF to PDF/A Converter. It not only allows users to convert the standard PDF document which is not suite for long time storage to PDF/A document which is a good document format designed for long-term saving.
The application is free to be downloaded at https://www.verydoc.com/pdf2pdfa_cmd.zip. When just being downloaded to your computer, the application is only a ZIP file and you need to unzip it to your computer for getting the package of the application in which there is an executable file named as pdf2pdf.exe. It is the called program in this conversion and you can call it in MS-DOS prompt window.
If you want to know more information about PDF to PDF/A Converter, you can visit its homepage: https://www.verydoc.com/pdf-to-pdfa.html where you can also purchase the application for using all the functions of it without any limitations. Please see the detailed steps in the following contents for setting current page for the output document in the conversion from PDF to PDF/A.
The first step is to open MS-DOS prompt window for the application is command line application which is a MS-DOS oriented one. You can click “Start”—“Run” to open “Run” dialog box. Then please input “cmd” in “Open” combo box of “Run” dialog box and click “OK” button. To open the same “Run” dialog box, you can also use the hot key “Window”+ “R” combination on the keyboard.
The second step is to input the command line in popup MS-DOS prompt window. In the command line, there are four necessary elements: called program which is the executable file pdf2pdfa.exe, parameter for setting current page when open the document, source file which is the PDF document you want to convert and target file which is the PDF/A document that you want to get. Just see the following command line sample:
pdf2pdfa.exe -startpage 2 C:\file-in.pdf C:\file-out.pdf
In the command line,
pdf2pdfa.exe stands for the called program and you need to use its path when calling it in MS-DOS prompt window.
-startpage 2 is for setting PDF/A current page as “2”.
C:\file-in.pdf stands for the path of source file.
C:\file-out.pdf is the name of target file.
The last step is to run the conversion from PDF to PDF/A. Please click “Enter” button on the keyboard and you will get the target file in the specified location several seconds later.