Best tool to check and ensure PDF/A compatibility under Linux

Posted by Sven Lilienthal on Stack Overflow See other posts from Stack Overflow or by Sven Lilienthal
Published on 2009-01-21T09:14:43Z Indexed on 2010/06/09 9:32 UTC
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Filed under:

java

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php

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linux

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pdf

|

pdfa

I am working on an online portal, where researchers can upload their research papers. One requirement is, that all PDFs are stored in PDF/A-format. As I can't rely on the users to generate PDF/A conforming documents, I need a tool to check and convert standard PDFs into PDF/A format.

What is the best tool you know of?

Price
Quality
Speed
Available APIs

Open-source tools would be prefered, but a search revealed none. iText can create PDF/a, but converting isn't easy to do, as you have to read every page and copy it to a new document, losing all bookmarks and annotations in this process. (At least as far as I know, if you know of an easy solution, let me know).

APIs should be available for either PHP, Java or a command-line-tool should be provided. Please do not list either GUI-only or Online-only solutions.

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