Free Java library for converting existing PDF to PDF/A [closed]
问题 I am trying to convert PDF to PDF/A. Currently I can do this using OpenOffice pdf viewer plugin together with Jodconverter 2. But this is pretty cumbersome to do. Does anybody know of any open source / free Java libraries I can use to do this? I have found these open source libraries so far, but none of which has support for converting PDF to PDF/A iText gnujpdf PDF Box FOP JFreeReport PJX JPedal PDFjet jPod PDF Renderer UPDATE Seems like Apache FOP has ability to convert a document (not a