Which is a good PDF file compressor?

Hello,

I am looking for a good PDF files compress tool that will give me a good rate of compression and also capabilities to automate the compression operation via code.

Does anyone knows about one?
LuiLui77Asked:
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Joe Winograd, Fellow&MVEDeveloperCommented:
Btw, these are the install instructions that worked for me on Windows (W7 Pro 64-bit):
https://code.google.com/p/pdfsizeopt/wiki/InstallationInstructionWindows

Initially, I did not have Multivalent.jar, so when I ran pdfsizeopt, I received this error message:

AssertionError: Multivalent.jar not found, see above

However, it still created the optimized output file. Then I downloaded Multivalent.jar from SourceForge:
http://sourceforge.net/projects/multivalent/files/

I put it in the same folder as pdfsizeopt.exe, and it seems to have run, but I received this error message:

AssertionError: Multivalent failed (status)

But, again, it still created the optimized output file. Regards, Joe
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Joe Winograd, Fellow&MVEDeveloperCommented:
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LuiLui77Author Commented:
Awesome Joe Thanks! I was looking on these solutions but I have not found one that it has command line capabilities, do you know one with command line features?
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Dan CraciunIT ConsultantCommented:
For programatically changing a PDF you can try the iText library: http://itextpdf.com/

Note that this is not a command line utility, it's a library to be used and requires some programming knowledge.

HTH,
Dan
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Joe Winograd, Fellow&MVEDeveloperCommented:
In addition to iText that Dan mentioned, note that there's a .NET port of it, called iTextSharp:
http://sourceforge.net/projects/itextsharp/

For a command line tool, this Google Code project is worth a spin:
https://code.google.com/p/pdfsizeopt/

Haven't tried it myself (yet), so please let us know how it goes for you. Regards, Joe

Update: I've been experimenting with the command line pdfsizeopt since  posting it above — it works well. I tested it on several PDFs, all resulting in significant size reductions. Definitely worth a try. Regards, Joe
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LuiLui77Author Commented:
Thanks Joe!, it seems to be the answer, let me give it a try
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LuiLui77Author Commented:
Thanks Joe!
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Joe Winograd, Fellow&MVEDeveloperCommented:
You're welcome. Happy to help. Regards, Joe
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