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10.3: Use ColorSync Utility for PDF refinement Apps
Try opening up a PDF with the ColorSync Utility (in Applications -> Utilities) and notice how you can apply any colorsync filter and preview the results instantly. What this is really great for is reducing the size of PDF files with images for emailing. Example:
  1. Create a new filter by pressing the 'New' button.
  2. Click the 'Details' tab.
  3. Choose 'Images' in the top dropbox.
  4. Choose 'Compression' in next lower dropbox.
  5. Choose 'JPEG' in the last dropbox.
  6. Adjust the 'Quality' slider to desired compression.
  7. Check to 'Preview' check box and if you like the results click the 'Apply' button.
  8. Next go to the 'File' menu and click export and save as a new PDF or what ever type you want.
For extra reduction in size do the following:
  • Instead of choosing 'Compression' in the dropbox mentioned above choose 'Sampling'.
  • Click the 'Down sample image:' check box and enter 50 for the 'Scale:' value.
The ColorSync Utility is turning out to be one of the hidden gems of Panther.
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10.3: Use ColorSync Utility for PDF refinement | 10 comments | Create New Account
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10.3: Use ColorSync Utility for PDF refinement
Authored by: brain13 on Nov 14, '03 12:54:24PM

now if this just worked for an image not contained in a pdf.....



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10.3: Use ColorSync Utility for PDF refinement
Authored by: MattHaffner on Nov 14, '03 03:47:45PM

Well, fire up Preview, export it to PDF, and then use the filters. Or, even better, do a Print from preview, apply the filter in the Colorsync panel of the print box, and save the result as PDF from the print box.



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10.3: Use ColorSync Utility for PDF refinement
Authored by: Anonymous on Nov 14, '03 06:49:07PM

Actually this does work with images just drag an image onto the ColorSync icon in the Dock, I found this out after i submitted the hint.



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10.3: Use ColorSync Utility for PDF refinement
Authored by: brain13 on Nov 15, '03 11:12:21AM

i tried that, but it actually bloats the image size....i dont know, maybe colorsync is only pdf friendly....



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10.3: Use ColorSync Utility for PDF refinement
Authored by: brain13 on Nov 15, '03 11:14:41AM

that is my point....i dont want to use a pdf....just trying to reduce image size...guess im stuck with smallImage.app for a while...thanks anyway.



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10.3: Use ColorSync Utility for PDF refinement
Authored by: tomem on Nov 15, '03 01:12:17PM

This is great!, but I tried defining a new filter and could not get it to appear in the print dialog as a new Colorsync filter option. Also, the "standard" filters that do appear there are "locked" and cannot apparently be edited. Anyone see a way to re/define filters and have them appear in the print dialog? Reading the help did not seem to help me out with this.

---
TomEM
Crofton, MD



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10.3: Use ColorSync Utility for PDF refinement
Authored by: Krioni on May 11, '04 05:20:23PM

Yeah. Duplicate an existing one, then edit the duplicate. Apple won't let you change theirs, but you can do whatever you want with your copies.



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10.3: Use ColorSync Utility for PDF refinement
Authored by: rjvbertin on Jan 17, '05 09:24:27AM

Not much to do with the original topic, but: can one define a ColourSync filter that will reverse colours? It happens I have to print documents with light text on dark background on b/w laser, and it would be prettier and more economic to reverse colours beforehand...



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10.3: Use ColorSync Utility for PDF refinement
Authored by: technicallyrite on Jul 22, '11 11:06:14AM

This no longer works in Lion. Colorsync Utility does appear to still have extra filters, so if anyone finds out how to use them please share. This was a great hint when it worked.



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10.7: Use ColorSync Utility for PDF refinement
Authored by: SirPavlova on Mar 24, '12 12:32:48PM

After making the filter in ColorSync Utility, move or copy the filter from ~/Library/Filters/ to /Library/PDF Services/ (or /Library/Filters/ but that doesn't exist by default). If you called the filter “Make My PDF Awesome”, the filter will be saved as a file called Make My PDF Awesome.qfilter.

It seems pretty stupid of Apple to mess up the whole user's library, then machine's library, then OS X's library thing, but apparently that's what they wanted to do.

Credit & thanks go out to midnightmac on the Apple Discussion Forums, whoever they may be.



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