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http://www.macupdate.com/download/9206/pdfshrink48.dmg
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PDF Shrink can reduce most PDF files - including those created by Mac OS X iLife and iWork applications, Adobe Creative Suite, Microsoft Word & PowerPoint - by as much as 90% of their original size. PDF Shrink is ideal for consumers and small businesses that need to produce PDFs at a quality and file size appropriate for use on the Web, as email attachments, CD-ROMs and for on-screen reading. The software is compatible with Mac OS X 10.4 and supports PDF Services, droplets and AppleScript.

Images make up a significant part of the size of typical PDF file. PDF Shrink can modify the resolution and compression level of more...

What's New

Version 4.8:
  • OS X 10.9 Mavericks compatibility
  • Digitally signed for GateKeeper compatibility
  • Fixed problem where some files were not compressed as much as previous versions of PDF Shrink
  • New image scaler technique produces sharper images

Requirements

Mac OS X 10.4 or later

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PDF Shrink User Discussion

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ScottUpdate Member IconReview+0
ScottUpdate
+0

How is PDF Shrink worth 900% more than PDF Squeezer? It doesn't perform 900% better. And I've found PDF Shrink's "customer service" to be dismissive and rude, not 900% better than PDF Squeezer's. Then today I found out that files reduced by PDF Shrink will get bigger again if re-saved by Apple's Preview app. But PDF Shrink doesn't want you to know that so they never mention it on their website. Arrgh!

Reply0 replies
Version 4.8
Julian Ko Member IconReview+1
Julian Ko
+1

The one is the one that does not destroy the page index or the produce the false colors of embedded pictures comparing to the applications under $5.

Reply0 replies
Version 4.8
Yubben Member IconReview+23
Yubben
+0

I was looking for an application that can reduce the size of my curriculum vitae in PDF format because the website where I wanted to upload it didn't accept pdf file that exceed 200 k.o.

I downloaded and tried PDF Shrink along with two other application : PdfCompress and PDF Squeezer and here're the results :

PdfCompress : 127 ko
PDF Squeezer : 131 ko
PDF Shrink : 123 ko

PDF Shrink did the best work. The only problem with this application is that it's not very user-friendly comparing to the two other application, you need to tweak with it a little while before mastering it. Not to mention that it is overpriced.

It's a very useful tool that I'd buy when it is on sale on MacUpdate.

Reply0 replies
Version 4.8
c2b Member IconReview+0
c2b
+0

I disagree with some of the previous comments about ease of use and interface. The interface looks very nice, I didn't find anything complicated about the setup whatsoever. There was an option for dropping the file here for emailing, here for iPhone and iPad use, here for web, etc. and I used those to great success.
I literally installed the software, opened it, dropped my first PDF file onto it, PDF Shrink reduced it to a tenth of its former size, and I had my file -- all in about 3 minutes. It was super-easy, super-clear, and super-effective.
I haven't tried any of the customizing and have only used it once, but based on this experience I can only lament that I have but two thumbs to put up.

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Version 4.5.3
CFrag Member IconReview+95
CFrag
+1

You can shrink any PDF yourself if you use Preview.app's "Save As" functionality and use Quartz Filter's "Reduce Size" setting.
So why would you need a tool like this? Simply because it gives you a much more fine-grained control over which aspects of the PDF are to be shrunk (reduced in quality), and by how much (Quartz's approach is brute-force, maximum compression).

PDF-Shrink uses an extremely ugly, decidedly Windows-ish interface that sometimes goes out of it's way to make the set-up process more difficult and technical than it needs to be.

However, after setting it up, the results are well worth it. We produce documentation that is to be read on-line and that usually contains a lot of imagery. Uncompressed the files are 80-100 MB. When we use Quartz for compression, the results are much smaller, but unacceptable.
Using PDF Shrink we control the quality of color images to be shrunk to 200 dpi, and greyscale to 150 dpi, which is well enough for both screen and casual prints. The file goes down in size to 5-8 MB, which is very, very nice.

Reply0 replies
Version 4.5.3
ChristopherPrice Member IconReview+105
ChristopherPrice
+2

Current version is 4.6.3

I compared this against several other apps/techniques for compressing ebooks and Shrink pretty consistently resulted in 10% smaller files. (72 dpi, low quality, for iPad)

Whether that is enough to justify $35 more than Quartz filters (free) or more basic app such as Squeeze ($2) is up to you.

Reply3 replies
Version 4.5.3
ChristopherPrice
+0

Sorry, PDF Squeezer is $3 (not $2).

ChristopherPrice
+0

As I've continued to try compressing different files that have I haven't been able to get good results any other way, I can say that PDF Shrink performs far better than the others on poor-quality scanned materials. For example, a particular 100MB black and white scanned file, no matter the settings, all other apps I tried compressed the file to a tiny ~8MB (even at 600dpi) none of which were practically readable.

PDF Shrink, at the highest quality settings, produced a 50MB that appears to be identical to the original. I have to say, though the interface is not attractive, the myriad of settings can really let you optimize the process to the situation.

If you aren't happy with the results of the less expensive alternatives, PDF Shrink is probably your best shot.

Ryde
+1

The reason why most PDF size reduction utilities available for the Mac suck big time is ...... that they are typically built using Apple's dated PDF Kit framework. PDF Kit does not support the compression methods CCITT Group 4 and JBIG2, even though these have been available in the PDF standard for many years already. The Group 4 and JBIG2 algorithms have been specifically developed for black-and-white documents, and so they are WAY more effective for this specific use case than Deflate (a general-purpose lossless algorithm which only yields a mediocre compression rate) and JPEG (a lossy algorithm, i.e. a method that trades in quality for the sake of a smaller file size, which works well for photographic images but not for scanned documents).

So in order to arrive at small file sizes, these tools will typically first reduce the image resolution, i.e. throw away image information, and then apply a low-quality JPEG compression, which makes things even worse by introducing visual artifacts.

It might be the case that PDF Shrink is in fact better than the competition, just because it is using its own PDF library instead of Apple'sā€¦

shutupxo Member IconReview+0
shutupxo
+0

Perfection. I love this program. =D Thank you for making it.

Reply0 replies
Version 4.5.3
Webzu Member IconReview+0
Webzu
+0

Tried to compress two files but it did not compress the PDF files. Same exact size, so this doesn't work. The features and concept are cool and easy who to use. You just drag and drop the PDF but the output file is not compressed so pointless. Too good to be true for the price. :-) Moved to trash.

Reply0 replies
Version 4.5.3
Singerjttm11 Member IconReview+0
Singerjttm11
+0

Being on the road you have to often send PDFs for expenses this has been a LIFESAVER!!! I would HIGHLY recommend it! Thank you!!!

Reply0 replies
Version 4.5.3
Rich Rodecker Member IconReview+1
Rich Rodecker
+0

Gonna have to give this one some props...simple to use, does the job well. It just took a 4.7mb pdf I wanted to email down to 319k while maintaining pretty good quality.

Reply0 replies
Version 4.5.3
user icon+1
Rmara
Version 4.5.3
> 4 24

Ratings

Overall
(24)
Current Version (4.x)
(18)

Details

Downloads 169,029
Version Downloads 13,306
License Demo
Date 02 Dec 2013
Platform OS X / PPC 32 / Intel 32
Price $35.00
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