where is "save as compressed pdf"??

I've just started using OS X 10.5.2 (it came on my new MacBook; I use 10.3.9 or 10.4.11 on my other computers) and discovered the lack of a "save as compressed pdf" option with the new OS. Any suggestions as a replacement since this is something I use multiple times daily?

I use this feature to save illustration-rich PowerPoint slides in a compressed format for posting to Blackboard or WebCT. I know I can "save as pdf" to create a master pdf with the new OS and then open that pdf file with Preview and compress it to save again (with a different name) as a smaller file. However the Mac OS help under 10.4.11 cautions that this will create a file of inferior quality plus the onus of having to do several additional steps and to then end up with two pdf versions of the same PowerPoint file.

Any idea why this feature disappeared with 10.5.2 when it's been available in the previous versions of OS X?

MacBook, Mac OS X (10.5.2)

Posted on May 29, 2008 11:17 AM

Reply
10 replies

May 31, 2008 8:28 AM in response to Judy Churchill

Since umparrothead has indicated that s/he DOES HAVE a "compress PDF" option in s/her PDF drop-down menu and s/he is running OS 10.5.3 (as an upgrade from Tiger) this must mean that the code to enable it on 10.5.x is available somewhere and it (maybe) works with 10.5.x.

Does anyone know how I could get this from one of my computers that has it and then install it onto the new MacBook? Or is it possible that it's still there, just not enabled in the print menu? If the latter, how can I enable it?

May 31, 2008 7:47 PM in response to Judy Churchill

This has driven me nuts as well - made it very difficult to post to my classes in Blackboard (sigh).

I found an answer. Turns out in Leopard, the ability to compress pdf files resides in Preview now.

Here's how they describe how to do it:

To compress a PDF file:

Open Preview, in your Applications folder.

Choose File > Open, select the PDF file to compress, and then click Open.

Choose File > Save As, choose Reduce File Size from the Quartz Filter pop-up menu, and choose a name and location for the new PDF file.

Click Save.

This info can be found at the Mac OS X 10.5 Help page as follows:
http://docs.info.apple.com/article.html?path=Mac/10.5/en/9021.html

I just tried it - it converted an ugly 11.5 MB pdf into a swan-like 972 kB file (whew!).

My students will be happy indeed.

Hope this helps,

Paul

Jun 1, 2008 8:08 AM in response to paulmalc1

Unfortunately the Preview option is NOT a solution that works for me (I tried it prior to posting).

The "compressed PDF" option in the print menu of 10.5.x should be restored since it also created a much smaller file than the master pdf and this file is MUCH more legible than the option using Preview & Quartz compression.

I could compress a 19.9 MB PowerPoint file to 2.2 MB with "compressed PDF" and still read the labels on items in the on-screen image, whereas the labels were not legible in the 1.1 MB fie created via Preview from the original 19.9 MB PowerPoint file. The Preview option has also added extra steps to create a compressed file for posting to Blackboard or WebCT. Previously I could save as "compressed PDF" directly from PowerPoint, now I have extra steps for an inferior product.

Jun 1, 2008 6:52 PM in response to Judy Churchill

OK, I see what you mean about less than adequate quality on some of the images and words. My own writing on the power point slides comes out clear, but some of the writing associated with some of the images came out less than stellar.

Colorsync was almost beyond my grade level, but I was able (finally) to put a protocol together to make a “filter” that would compress but not as much.

Below are the steps I took; its not quite so bad, and hope this works,

Paul

Steps to alter compression of pdf files

1. Use spotlight to find and open Colorsync Utility

2. For me it opened to “Profile First Aid Log”; you don’t want this; instead,
Click on Filters on the list of icons on the top (has a red, green and blue filter appearance, next to calculator on right)

3. The 7th line down reads “Reduce File Size”; click on button on the far right

4. Click on “Duplicate Filter” on the menu that pops up
This creates a new line at the bottom of the menu that reads
“Reduce File Size Copy”

5. Click on the left button next to “Reduce File Size Copy”
Several items should come up including one called “image compression”

6. Click the left button next to “Image compression”
You should see a line that reads “Quality”

7. Push the quality button to the right of the word “Quality” to the far right.

You are now done creating an altered colorsync profile.

To compress a pdf, you then

1. Open the pdf file using Preview

2. Click on “File”, then “Save As”

3. In the section that says “Quartz Filter”, click on the blue button on the right

4. Click on the line that reads “Reduce File Size Copy” (this is what you have created from above)

5. Before pressing “Save”, be sure to rename your file to something new in the “Save as” box at the top (e.g., change from “File” to “File compressed”)

6. Press Save.

Doing it this way, I converted a 10.4 MB pdf into a 2.2 MB pdf.

Some of the figures were still a tad blurry, but it was better.

If I used the original filtering, I got a file that was 612 KB. Writing on the figures was a tad worse.

And yes, it was a lot easier and nicer when “compress pdf” was a feature of Power Point.

Jun 1, 2008 7:18 PM in response to paulmalc1

I have also noticed this. I just switched to Mac and in general the pdfs I create are 10 times larger than the ones I created with Acrobat on my PC, which make them rather useless. As example, I converted a postscript file into pdf, and the size increased 15 times, where as the size decreased when done with acrobat. "reduce file size" does not change anything (it is my feeling it just compresses bitmap images). I decided to get Acrobat for the Mac. But I wish there were a solution without acrobat.

Jun 1, 2008 8:50 PM in response to Judy Churchill

Agreed re Acrobat - I just used my version of Acrobat Professional to convert the pdfs into something smaller. The quality of the writing on the images was significantly better than working through Preview. Acrobat Pro also gives you a couple of options for quality. Its set to medium and this worked fine for one of my files, taking a 10 MB pdf and making it 1.6 MB with excellent quality. On another, a 30 MB file (I know, I should be able to do this better) had to be compressed using the "high" compression option, producing a 3 MB pdf - and again, the images and writing on the images were good.

Paul

Jun 2, 2008 6:30 PM in response to Judy Churchill

Thank you paulmalc1!!

I took a PowerPoint file that was 4.1 MB in size, "printed" it via Preview, and then saved directly from Preview as a PDF with no Quartz compression. This created a PDF file that was 7.5 MB, the same size as saving a PDF from PowerPoint directly.

I then opened this file with Acrobat Professional 8, and saved it as an Optimized PDF, using color and grayscale image compression with "high" image quality. This created a file that was 1.7 MB in size and was of comparable quality to the 1.4 MB file created by OS 10.4.11's "compress PDF" option directly from PowerPoint. I also used Acrobat Professional 8 to again optimize the 7.5 MB PDF using "medium" image quality. This created a file that was 1 MB in size and also equal in quality to the 1.4 MB file created by directly printing to "compress PDF" when using OS 10.4.11. (Cheers!!)

My criterion of quality is for the labels on the images to be readable (as Paul has noted previously, our added labels are of much higher quality than are the labels on the images used on the PowerPoint slides).

Unfortunately, I tried all variations of the ColorSync Utility's Image Compression > Image Quality -- all of the way to maximum quality and could never obtain a PDF with the same quality as via the print to "compress PDF" that is now missing from OS 10.5.x. The only time I got near to the same quality using ColorSync Utility settings for image quality at maximum, the file size returned to 7.5 MB!

So I guess my question has been answered. I feel Apple dropped the ball in removing save to "compress PDF" and their recommendation to use Preview just doesn't cut it. However, Acrobat Professional's save as Optimized PDF provides the needed quality and smaller file size I need for posting to Blackboard.

Thanks for your help!!!

Judy

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where is "save as compressed pdf"??

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