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help needed to compress pdf files
Mar 27, 2023 19:19:11   #
bill5308
 
I have been providing a service to local historians to help them self publish their historical findings. These publications contain many photographs which I scan and embed in to text documents. I have normally printed with Lulu.com but have been recently been sending some documents to kdpamazon.com which prints for about 1/2 the price of Lulu.com. Lulu does not have a maximum size for document uploading but kdpamazon has a maximum of 650meg file size. The last book I finished is 750megs and I do not know compress the document down to the 650 max size. The last books has over 175 photos so it would be a project to compress each photo which have been included as 300dpi size. Anyone have any ideas? I create the raw documents in Word 2007 max file size in a Word document is 300megs so I have to break books is to sections. I save in pdf and combine sections using Adobe Acrobat XI Pro for combining and editing. This is a low budget project as I have been doing it for free to promote these historians work.

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Mar 27, 2023 19:33:14   #
CHG_CANON Loc: the Windy City
 
Consider resizing the embedded images prior to creating the Word Doc / PDF. Take an assumption the largest printed size for an image is 6-inches wide, filling the width of a portrait oriented 8.5x11-inch sheet. I grabbed a 22MP image and exported as a 'full resolution' JPEG, giving me a 17MB image at 5760px wide. If I ask the LR Export to resize to 6-inches wide, still at 100% JPEG quality, I get a file that is 500KB at 792px wide.

In MS Word, you can adjust the image size, a bit bigger or smaller, depending on need, with no visual impact. You can also adjust the default "6-inch wide" parameter, if another default size is more accurate to your book printing.

The post below includes a long discussion with four software screen prints for the recommended 2048px 'wide' for online sharing. Just adjust that parameter to your need in inches wide, or a smaller pixel 'wide' resolution, such as 800 px for an easy number based on my 6-inch example, above.

Recommended resizing parameters for digital images

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Mar 27, 2023 21:21:56   #
fetzler Loc: North West PA
 
You do not describe the software that you are using to make*.Pdf. Photos are scanned but is text scanned too.

To do the best job you will need a full version of Adobe Acrobat an you have this. Acrobat has tools to prepare documents for publication including file optimization. Adobe distiller (a part of Acrobat) has tools for adjusting the size of photos within documents. I have used Acrobat to produce press ready documents for publication in the past. Distiller can do auto resizing of photos and scanned documents. You certainly don't need photos greater than 300dpi on the printed page.

Paul's comments above are also worth consideration.



I believe that Foxit an Acrobat competitor also has the tools that you require.

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Mar 28, 2023 07:53:00   #
JGNY
 
I use jpegmini. No perceptible loss in print quality. jpegmini.com

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Mar 28, 2023 13:35:32   #
PHRubin Loc: Nashville TN USA
 
You didn't say if the size limit is for pdf only. Can you "Zip" the pdf file and send it as a Zip? Otherwise, Paul's suggestion of reducing each image is all I can think of.

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Mar 28, 2023 15:22:18   #
dannac Loc: 60 miles SW of New Orleans
 
I receive house plans in PDF format.

Received one that was 36mb.

Optimized it with my PDF software and it cut it down to 9mb, with no loss in quality ... but it had no images.

I can try optimizing one of yours if you wish.

If interested, send me PM and I'll give you an email address.

This is the software I use
https://www.tracker-software.com/product/pdf-xchange-editor

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Mar 28, 2023 16:47:48   #
Dave H2
 
I also use jpgmini, an inexpensive application you can download. Just place all the image into the active software and it does the rest, compresses jpg's substantially with no appreciable loss of quality.
D

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Mar 28, 2023 18:10:51   #
dannac Loc: 60 miles SW of New Orleans
 
FastStone Photo Resizer similar to JPGMini


(Download)

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Mar 28, 2023 20:03:13   #
bill5308
 
thanks, I have Faststone but have never used all the features. I downloaded jpgmini.jpg and have not started to use it yet. Still looking for a way to compress the complete file.

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Mar 28, 2023 21:12:12   #
CHG_CANON Loc: the Windy City
 
bill5308 wrote:
thanks, I have Faststone but have never used all the features. I downloaded jpgmini.jpg and have not started to use it yet. Still looking for a way to compress the complete file.


Create a smaller file, using smaller images, then you don't have to compress it.

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Mar 28, 2023 21:42:38   #
marquina Loc: Richmond, Virginia
 
... The last book I finished is 750megs and I do not know compress the document down to the 650 max size.

I use PDF Pen Pro on a Mac computer. Get a trial copy of PDF Pen Pro.
Here are the steps I take to shrink PDF files:

Open the PDF file in PDF Pen Pro.
Export the file to JPEG. PDF Pen pro will create 1 JPEG file per page from the PDF file.
Open Preview on the Mac. It's an app that comes with a Mac. Load all of the JPEG files to Preview.
Under "Tools" in Preview, use the "adjust size" menu item. You have a choice to adjust the resolution and/or pixels for width/height. The "adjust size" menu item displays the original file size and the one after reduction. Keep adjusting until you meet your PDF file size requirements.
Then, export to PDF.
No need to spend time adjusting each JPEG image separately.

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Mar 28, 2023 23:25:19   #
MDI Mainer
 
Adobe has (or at least prior versions had) a "Save as reduced size pdf" file option.

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