Previous 1 2 3 4 Next 227 Replies Latest reply: Jul 13, 2014 1:54 PM by Jawadelanis Go to original post
  • osx_user_FA Level 1 (0 points)
    Another easy way to reduce PDF file size (since for some reason it is much harder than it should be) is simply to re-save the file as a JPEG of the desired size and then re-save the resulting JPEG as a PDF.

    Sounds complicated, but simple (and free!) considering the alternatives.
  • pezworld Level 1 (0 points)
    Jerome, thanks a ton. I tried several other suggestions, and they didn't work. I had a 30-something-page scanned document that consisted of 30 pages of JPGs combined to one massive 40 meg PDF. Using the 150 dpi standard (my first attempt) I got it down to 5 meg, and it printed perfectly. Much better than the standard compression, which got it down to 1.5 meg but was unreadable.

    Thanks again!
  • BLightle Level 1 (0 points)
    Fantastic. I have been trying to figure out how to scan documents into my Mac and reduce their file size without losing so much resolution and crispness and without buying the full Adobe package. Your filters work great because the Preview default was almost unreadable. Thanks for posting.
  • angryclown Level 1 (0 points)
    Thank You SOOOOO much. Works perfectly.
  • Carolyn Samit Level 10 (103,365 points)
    Post it here in the User Tips Library:

  • alphaferyl Level 1 (0 points)
    Very helpful, well done and thanks!
  • Marco De Vitis Level 1 (15 points)
    JustinHM wrote:
    I have the same problem - the pdf in question is CMYK generated by InDesign. I have seen CMYK jpgs appear inverted, so I wonder if that might be it?

    Indeed, I stumbled upon the same problem. AFAICT it can be fixed by adding a conversion to RGB to the ColorSync filter: clicking on the down arrow at the right of the filter name, choose (roughly translating back from my Italian system) "Add color management component" -> "Convert to profile", then configure the added component by choosing something like "Adobe RGB".

    Anyway, a pity that ColorSync filters cannot reduce PDF file sizes as much as any PDF printer (even free ones) on Windows will do :-/.
  • ae9eayi4qe Level 1 (10 points)
    Hi Jerome,
    My tweaking of quartz filters didn't work to compress a pdf. Do you know why this could be? I downloaded your filters and they work great. I've seriously spent about 5 hours trying to get my quartz filter tweaks to do something...but they don't do anything. Does it have to do how the pdf is created in the first place (from my Canon AIO printer/scanner)? Why would your filters work? Also, the native "reduce file size" on my mac works fine...but it renders the result unreadable almost. And another question, why is Preview kind of blurry compared to Adobe Reader? Do I really have to spring $450+ for Adobe Acrobat Pro?
    I hope you're out there somewhere in cyberspace.
    Yours truly,
  • Katedu Level 1 (0 points)
    I had the same experience. I followed some instructions on making quarz filters using the ColorSync Utility. But those didn't reduce my file size for some reason. However the filters I downloaded here worked fine.

    - K

    PS Same here with the Mac "reduce file size" -- way too blurry! I also agree that Preview is blurrier than Adobe Reader. It's not too bad though.
  • JWLoft Level 1 (0 points)
    Thanks so much. Compressed my 8.6 M to 2.8 with no noticeable loss. Now can email.

    Thanks for the time saver. Not sure why Apple doesn't provide this standard.
  • 6ears Level 1 (0 points)
    OK, so I'm an idiot, I admit...I can't figure out how to unzip and open your filters. When I click on it, it says there's no default application specified to open the document and then asks me to choose one. Can anybody help me out here? Thanks!
  • alloceki Level 1 (10 points)
    No you are not an idiot, there must be some bug: click on the little down arrow next to the file description in the iDisk folder. The filters folders should appear with no problem in your download folder ready to use (under the name "filters"). Then you move the whole thing in your user Library as directed.
  • twheidt Level 1 (0 points)
    Jerome -- You are a genius! Thanks so much for this handy download. I've been pulling out my hair for days trying to figure out how to reduce the file size on some scanned documents. Works wonders, I'm going to be using this new functionality a lot.
  • BiggStuu Level 1 (75 points)
    Jerome...all I can say is...YOU DA MAN!!!

    This saved my hide today in a deadline. Keep up the good work.
  • Markus Oliver Level 1 (0 points)
    YOU ARE THE MAN! Thanks a lot! Unfortunately Automator can't save these PDF into one file, but it is great!
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