Generating PDF from JPGs for photo book using Acrobat Pro

[abevilac]

Hi all- I am having an issue sizing photos as I prepare a PDF for online printing (using Lulu). My end goal is a PDF with document dimensions 6 x 9in. All of my images are in Photos and have been cropped with a ratio of 2:3. I have attempted to export the images with a height of 864px, and I have confirmed that the file does export to that size by checking the document info once it is on my desktop. The issue arises when I go to generate a PDF from these jpg files using Adobe Acrobat. For whatever reason the file size of a collection of the jpg images files is 8 x 12in. Because this is in the same ratio, just larger, my feeling is that there must be something about the resolution of the images that is as issue. I was not able to find a way to resize a document in Adobe Acrobat- is that possible? Should I batch re-size the jpgs using something other than the Photos export function? I am working with about 650 images, so any process would need to be automated.
Thanks so much for your help.

[Filliam H. Muffman]

What version of the OS and Acrobat? How are you creating the file, are you starting Acrobat and then selecting convert/import? My first suggestion is to import the files and then Print To PDF with a custom page size (you need to take into account that there is a border that is about 1/2 inch around the "document").

[abevilac]

Hi,

I am OS 10.10.5 and using Adobe Acrobat Pro DC. I am using the combine files into PDF function and the 6x9in files become an 8 by 12 in document every time. I attempted to crop the pages in Acrobat, but I can't seem to change the document size.

[Filliam H. Muffman]

I haven't used the DC version. Do you have the option to Print-to-PDF with custom sizes?

[jesse]

I tried this using Acrobat DC and my pages are 2.78" x 2.78" same as the original images. The only difference is these images were done in Photoshop, so maybe resizing the images outside of Photos is the way to go.