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Reduce PDF file size : free Acrobat replacement for Leopard

348515 Views 226 Replies Latest reply: Apr 16, 2013 9:40 AM by Jerome Colas RSS
  • Abby11 Level 1 Level 1 (50 points)

    The day before yesterday just got a promo code of enolsoft PDF-Compress from forum macrumors, so far it can work well for my PDF files compressing. If not, would try @Jerome's ways, would keep these filters too.

  • yiannis. Level 1 Level 1 (0 points)

    Hi Jerome.. No, it doesn't work I'm afraid, I get x4 bigger size!

  • Dannymac22 Level 1 Level 1 (0 points)

    I have to say that there is something important missing here. These filters compress very well some documents (as do the Quartz filters prepacked with Preview) and they compress other documents very badly. In fact, they expand these others hugely. In my experience, I have compression success about half the time with them. Your success may vary! I'd really like to have a more rule-based tool. As in, if you have this kind of a document/OS with these characteristics, these filters will work great. If on the other hand you have one with these characteristics, it won't. If we don't understand this rule, then it's sort of black magic that may or may not work. I like tools that I can count on.


    One would like to believe that there is *something* about a pdf file that makes it appropriate or inappropriate for these filters. I do find it rather striking that when a compression filter doesn't work, it grossly expands a file. You'd think that if it didn't work, it just wouldn't do anything at all.

  • yiannis. Level 1 Level 1 (0 points)

    Yeap. In fact, it's x5.

    -Initial file: 54 MB

    -Exporting using 150 dpi average quality - STANDARD COMPRESSION: 223 MB

    -Exporting the resulting file using JPEG compression - STANDARD: 274 MB

  • hotwheels 22 Level 1 Level 1 (0 points)

    i reported an issue where these trashed all the color data on some of my professionally prepared pdf's. i don't know the technical details involved in what one would have to not downsample with these but despite the heroic effort on the OP's part (a big thank you) it is very weird that i cannot create pdf's on the mac without gargantuan size or custom scripting.


    i cluttered up a whole 1 TB drive creating pdf's when i first ported to mac.


    anyway, for those on a deadline to get something out across the internet - downloading the most recent version of acrobat as a demo version and simply saving as a reduced size pdf should do the trick for you...

  • Toronto.Girl Calculating status...

    Hi Jerome!


    I just want to Thank You for taking the time to thoroughly explaining how to reduce our scanned PDF File sizes and for providing us a link to the Quartz Filters.


    I downloaded your Filter Folder and have a question I was hoping you could help me with. In your initial post you say:


    Choose Save As in the File Menu (pretty easy I guess), then choose PDF as format, and one of the "Reduce to XXX dpi ..." Quartz filters, and click Save.


    I have an issue halfway through that instruction. In "Preview" when I click "Save As" and then choose PDF as the format, the "Quartz Filter" comes up with eight options in the drop down menu, one of those options is "Reduce File Size". However, I do not have the option to "Reduce to XXX dpi...". The issue is that when I select "Reduce File Size" I believe it is reducing it to such a small dpi such that my PDF file is blurry/too small of a file. Can you please let me know what I am doing wrong or if you can help me at all?


    I truly appreciate all your time and effort. Thank you!



  • Toronto.Girl Level 1 Level 1 (0 points)

    Dear Jérôme,


    You are amazing! Thank you sooooo much for your prompt and very detailed response. I followed your advice and your filters work perfectly now! Again I truly appreciate all of your help and you have been so helpful throughout this whole thread for many others.


    Have a wonderful start to your week!



  • MathisB Calculating status...

    I don't know how you do it but I always have problems with the quartz filters. I also find it quite a hassle to do the settings every time. Now my son introduced me to - It gave me a 92% compression and I was happy. Maybe it's nothing for you more advanced folks but it worked nicely for me.


    Let me know if you get the same compression rates...

  • David Rietveld Calculating status...

    Hi Jerome, I get a server is not available message trying to download the filters. Do I do something wrong?

  • David Rietveld Level 1 Level 1 (0 points)

    Thanks, just need to find out where to place this. I saw some conversation about this from you.. Just checking.. 10.8.3


    Your fast!! (Ps I liked your reply on the shrinkpdf or something! Very smart..)

  • MathisB Level 1 Level 1 (0 points)

    Hi Jerome!


    Thanks for the long reply!


    And you are right, the filters for download are fantastic and solve probably most people's problems. Great how active you are on this! High respects! :-)


    Well, when I told on another mac forum about the product to help someone solve a very simple compression, I was banned from the forum and I don't want to risk this here as well. Therefore, it seemed better to me not to be to direct here - sorry for deceiving


    You have some great points and I would like to discuss it with you. Please send me an email. I would highly appreciate it.


    Thanks again for the kind reply. :-)


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