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Moodesigns
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File size increases dramatically after digital signature

Jul 12, 2012 6:50 PM

Tags: #digital_signature #file_size #file_bloat;

I have a template I use from Microsoft Word for a contract I use frequently.   It does have a color image on it.   I then save the file as Adobe PDF format, add a few form fields if necesary, extend features in Adobe Reader (so my client can fill out and digitally sign it), Then I reduce the file size, which at this point is maybe 25K.

 

The last thing I do is add a digital signature -- necessary, because this is a contract.

 

I'm using CoSign for digital signatures as they need to be verifiable and this was the least expensive option for me.

 

The problem I have is that once it's digitally signed, the document size increases from maybe 25K to almost 2MB.

 

What can I do to keep the file size MUCH smaller?  I don't want to jam up my clients' mailboxes or risk having a contract not delivered because of large file size.  I'm using Acrobat 9.x.

 
Replies
  • George Johnson
    9,232 posts
    Aug 11, 2002
    Currently Being Moderated
    Jul 12, 2012 9:31 PM   in reply to Moodesigns

    What are you using for the signature's appearance?

     
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  • George Johnson
    9,232 posts
    Aug 11, 2002
    Currently Being Moderated
    Jul 13, 2012 9:54 AM   in reply to Moodesigns

    It's hard to say without knowing ore about the ARX signature, but I've seen people use large (in terms of bytes) bitmaps for their signature appearances. Try plain text if you can and see if it makes a significant difference.

     
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    Jul 16, 2012 11:40 AM   in reply to Moodesigns

    Create a self-signed digital ID in Acrobat 9.x and sign the doc. If you notice that the file size is not increased as much as it is in your workflow above, then the problem is not related to Acrobat but rather CoSign.

     

    Ben

     
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