You can use PDF to PDF/A Conversion Utility to convert PDF to PDF/A file. With this powerful application, many functions can be realized such as editing descriptions for the target file, setting current open page for the PDF/A document, specifying the scale mode, etc. PDF to PDF/A Conversion Utility also supports to convert PDF to PDF/A with no PDF applications installed in the system.
The tool application is free for trial and you can download it via clicking here. If you need the full function version, please buy a registration key for the single-user personal license by clicking hereor the single-user commercial license by clicking here. The multi-user personal license can be purchased here and multi-user commercial license can be purchased here. If you need the site license, please buy it by clicking here.
The main interface in Figure1 can give you the acquaintance to the application. There is a file list locating on the upper-left corner of the interface, which is used to list all the PDF documents to be converted. You can add files by clicking "Open" button. To remove the file one by one, you can click on "Remove" button. To remove all the files, please click "Remove All" button. In "Output Folder" edit box, you can choose the output location by clicking on the icon or inputting the directory yourself. If you want to convert PDF to PDF/A document without any parameters added, please check "Use quick conversion" option and click "Convert" button. Or please click "Option" button to set parameters to the target file.
Figure1
Please see the "Option" dialog box in Figure2. There is a Tab Control which is consisted of two Tabs. In "Start Action" Tab, you are allowed to set the current open page for the target file. For example, "3" is specified. When you open the target file after the conversion, the current page is P3. If you want to scale the output PDF/A document, you can input or choose the scale mode in "OpenAction" combo box such as "Fit" or "30". In "Description" Tab, you can input the basic information for the target file such as "Producer", "Creator" and "Keywords" and so on. "Option" dialog box also supplies three kinds of device specific color spaces and you can choose any one you need. Please click "Apply" button to save all the parameters.
Figure2.
When you see the main interface of PDF to PDF/A Conversion Utility again, please click "Convert" button for running the conversion.