SAVE AS reduces file size, but do I lose quality?

I've got a large textbook with 4-color graphics and the file sizes can get out of control. When I replaced a single page and then doing a SAVE AS and overwriting the original, the file size dramatically reduced. Then I did a test, and found it works on all files. I am NOT resampling, or downsizing or trying to optimize. I created the PDFs using the printer's PDF specs. But if I can do a simple SAVE AS and reduce the file size, I'd like to. I've search the internet and can't find an answer. Most links were about optimizing or trying to force the file size smaller by manipulating the content.
Thanks in advance.

I use Indesign CS6, generate using " Adobe Preset PDF" settings I created for this printer Have used these settings for years without a problem. Yes, I just open, SAVE AS, and then close. NO changes whatsoever. I suspect it removes duplicate information, but can't be sure.

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I use Adobe Acrobat Pro XI (11.0.08) When performing "Save as" "Reduced file size pdf" Adobe processes for a while then completely stops, and has to close down. Just started doing that today.

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Reduce FILE size, but not IMAGE size

pardon the blasphemy, but on windows, Paint lets you "stretch" an image to 99%, which reduces the size of the image practically not at all but reduces the file size big time, you know like a 600kb file reduced to 99% the size of the originals ends up at 60kb, or whatever, but is only a few pixels smaller in size. How would i do that on my mac? tried the export thing, but if you reduce size a few pixels, you get bigger file size... know what i'm asking?
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I discovered Edit>Constrain>Custom>Crop>Export (give it a size in pixels). Reduces size and file size.
Self answered.

Save as reduced file size

I receive pdf's to be posted on the web and need to reduce the file size. Is there a way to do this with a keyboard shortcut or some other way besides clicking on the file>Save As menu?

How about using the Action Wizard preset "Prepare for Web Publishing"?

How do you reduce file size of a PDF if Save As doesnt work?

I have been trying to reduce the size of a PDF, using the Save As > Optimized PDF method.
I have also tried Save As > Reduced Size PDF.
This is on a file made up of 20 pages of full page Jpegs. (These were generated by the script in Photoshop that generates Jpeg files from Layer Comps within the document.)
If I use Reduced Size PDF, I get a greatly reduced file size but the image quality suffers greatly. (Lots of artifacts and blurryness)
There are no options to choose the level of compression I want.
If I use Optimized PDF method, I cant seem to reduce the file size no matter what I set the Jpeg compression to.
Is there some way to cut the size of the file down but not lose so much image quality?
Any suggestions?

Part of the problem here is that the files that are produced when I run the script to output files from layer comps are very big.
If I "save for web" for each layer comp, I wind up with way smaller Jpegs. Thus a much smaller PDF.
So the question is: Can you make the script, Layer Comps to Files, create smaller more optimized Jpegs? (Like you get when you save for web)

Save As Does NOT Reduce File Size

I have tried everything to reduce the file size of my Adobe Acrobat Pro X Form with Save As (Reduce File Size, As Optimized, etc...). Unfortunately, the file size does not reduce. I send to a friend who has Acrobat 9 and he is able to reduce the file from 45mb to 182kb...what gives? He sent my original file to his co-worker who has Acrobat Pro X and he has the same issue that I do. This appears to be a version issue. Any help would be appreciated as I have about 150 of these that I need to get down to a reasonable file size.

Actually, I found something else. It's very curious.
The form fields themselves are OK, and there is only one tiny copy of CopperPlate Light.
There is a place in a PDF where there is supposed to be a copy of each font used a form field. This lists (presumably) every font you own and then some - over 500 fonts, all embedded. This is clearly not what you wanted and not what the software should do.
It would be interesting to know the life cycle of this form (by which I mean how it was born and what happened along the way). It was made with Acrobat 10 from Word, but that (presumably) didn't do the bad thing. Can you remember what happened to the file in the mean time? Was it only EVER edited in Acrobat X, or were any other utilities used on it - even if they didn't seem to be related to form fields at all? Do you have any old copies before it grew in size?

Reduce File Size causes images to be blurry

I created a document in Pages '09 that contains several masked images, resulting in a really large file size. I clicked Reduce File Size to get rid of the cropped parts of the images. Unfortunately, the images are now blurry. Any way to mask or crop a picture, or use Reduce File Size, without loss of image quality?

The images are being reduced to 72dpi with no sharpening that I can see and the excess image outside the masking shape doesn't seem to get trimmed. I suspect you then saved to a pdf with a lower quality setting which would have given a 2nd reduction in quality on top of the first.
So the best option is to take your images into Preview, crop them, reduce their resolution and sharpen them then bring them back into your Pages layout before exporting to pdf.
Peter

Making a interactive PDF from indesign, but it's too big. Tried to reduce file size in Acrobat, but

Making a interactive PDF from indesign, but it's too big. Tried to reduce file size in Acrobat, but it does not reduce file size.

Use the Optimize PDF command in Acrobat, it gives you more control. I think it's under the Advanced menu in Acrobat 9 Pro and File > Save As > Optimized PDF in Acrobat X Pro.
You might try playing around with different settings. You can also click the Audit Space button at the upper right to see if its from images or other things causing the file size problem.
Unfortunately, InDesign doesn't write interactivity in a very optimized way. You get better results with buttons, for example, creating them in Acrobat Pro and using the Duplicate command to duplicate them across multiple pages.

I have to zip pdf files to email them to someone with a PC. The problem is they aren't smaller after zipping and I can't email them. I tried adjusting the Quartz filter to the Reduce file size. Now they're smaller, but the recipient can't read them. Help!

I need to zip pdf files to email them to a PC user. The problem is file size is not reduced.
I tried zipping them in Win 7 (which I use via Parallels 7) and sending them to the Finder to email.
But lately nothing is reduced. I tried choosing the Reduce File Size option in the Quartz Filter when I save the doc. The file size was reduced. However, the recipient could not read the file. Everything was blurry.
Is there a solution?

I am having some PDF sizing issues also, I am a BETA tester for TurboCAD Mac, and with the usage of (public) version 5, I have had some scaling issues. I have had (auto sent) 15 plus crash reports, (available as text) and had posted my scenario within the "lion- problems so far" article, so not to use up extra bandwith- or whatever- there are pictures there. I was not able to upload a PDF on site, and the staff @ Turbo CAd is working on it also. this is Lion specific new update, as I have posted many large format PDF's
Here (edit to add url)
Thanks for the helps!
Johnny

Why can I only "Save as Other... Reduce File Size" a single time for an Adobe X file?

We are struggling with our form editing in that anytime we make a change and save the file size is doubled. As a work around we started using the ...Reduce File Size save as. However, we can only use that once per file. Some of our forms contain several hundred fields that are edited, with the behavior as is we cannot save our work as we go.
Reproduction Steps...
1. Open a file in Acrobat X and note it's file size.
2. Make any kind of change (our work is focued on View>Forms>Edit)
3. Go to File > Save as Other... > Reduce Size PDF
4. Set Version Compatability to 'Retain Existing' and Save
5. File size should be very close to the original
6. Open the new file
7. Rinse and repeat steps 2 and 3
8. Note that when you go to try to Save as the new edit, the Save As Reduce size is grayed out and no longer available for seslection.
Please help!!!!

Just do a standard Save As. The problem is that Save includes the old and new. Save As deletes the old. Also, if you distribute the form it is locked from editing as I understand it.

I want to reduce pdf size up to 5mb for mailing perpose, anybody have any option to reduce it since I have used optimiser & reduce file size option but its not helpfull.

I want to reduce pdf size up to 5mb for mailing perpose, anybody have any option to reduce it since I have used optimizer & reduce file size option but its not helpful.

The optimizer can reduce space, but some things can't get smaller. Text for example. Play with the settings, examine the results of Audit Space Usage.
Or give up. Even 5 MB is too large for a bulk mailing, by far. Instead put it on your web site and mail a link - done!

Reducing file size #2...Preview, Quartz Filter vs Adobe Pro Optimize

Questions on reducing a pages to pdf file…I will post each question seperatly.
2) I read that you can reduce file size of a pdf in preview with a quartz filter. I created my own filer and it worked as expected. But, I also have Adobe Acrobat Pro, with save as PDF Optimized. The pro seems to have much more capability than the quartz filters.
Is one better that the other to use? The adobe optimize (standard settings) took it from 20 to 6 megs.
THanks, Bob

The Adobe Acrobat settings you chose are probably using .jpeg to reduce the file size.
.jpegs are lossy. ie You lose detail and sharpness the more you compress the image.
The Quartz filters are usually of very high quality, but they are a black box and you need to understand what the settings are in each one. Quartz filters are extremely powerful, fast and as I said usually high quality but I suggest you experiment and see if they meet your needs.
Peter

Reduce File Size in Acrobat Pro (9.5.5) Corrupts Graphics in PDF Documents - shows up as black image

Whenever I use Reduce File Size in Acrobat Pro (9.5.5), sometimes some of the images (not all) get corrupted and show up as a black image in the new document.
Actually, the new reduced document looks okay when viewed in Acrobat, but the problem shows up when viewed in the Preview application on the Mac.
I'm using Acrobat 9.5.5 with Mac OS 10.8.6
I've tried re-importing the graphic into a new graphic box, which didn't work. Thinking there may be some type of corruption with the actual graphic file, I then tried viewing the graphic, then taking a screenshot of it to create a completely new file, and then re-importing the new graphic file into the original document (created in Adobe In Design 5.0.4). I then export the new document as a pdf, and brought it into Acrobat Pro to do the Reduce File Size. Same thing happens - black box appears where the graphic was.
I then tried using the Reduce File Size within the Save As function of the Preview application on the Mac - while the graphic remains intact, many of the other graphics in the document are "reduced" too much, to the point where the image quality is seriously degraded, and therefore not usable.
Any other ideas?

Hi Anoop,
I can share the graphic file, but not the pdf which contains it (as it contains confidential information) - thanks!

Reducing file size in Acrobat Pro XI

Created a 36 page PDF from 300ppi scans of pages of a large 1822 Bible, applied OCR, resulting file size was 53, 149 KB. Need to get it down below 20,000 KB. Used "Save as Other>File Size Reduce" and "Save as Other>Optimize." Set the latter to Reader X, and minimum size. Result was no reduction whatever in file size. What's wrong?

I have Acrobat Pro X - so I'm not sure if XI has this same feature, or if it's in the same location, but see if you can try this:
Tools > Document Processing > Optimize Scanned PDF
I use this a lot to reduce PDFs that won't reduce through a Save As.
Hope this helps.

Save As PDF file size issues

I am currently using Word 2008 to produce a club newsletter for email distribution. The Word (.docx) file can be up to 2.4MB in size. When I use Print > Save to PDF the resulting file can be as large as 12MB! I tried using the CUPS-PDF virtual printer option and got a file 26MB is size!!
A friend used his Windoze machine to print to PDF and got the file size I was after at just over 1MB. I also tried the Adobe Online "convert to PDF service" and got file sizes lower than 1MB.
What is going on with the Mac OSX conversion? How can I get smaller PDF's without having to shell out for Adobe Acrobat Pro?

Peter Ongley wrote:
How can I get smaller PDF's without having to shell out for Adobe Acrobat Pro?
This may not help or may degrade any images in your document, but try this: Open the PDF file in the Preview application. Invoke File -> Save As, then set "Quartz Filter" to "Reduce File Size", give the file a different name, and save the file.

SAVE AS reduces file size, but do I lose quality?

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