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Posted

The AFPUB file of my brochure is 27MB, when I generate the PDF it comes out as a huge 203MB using a resolution of 192px. I don't really understand why the PDF is so much bigger.  The brochure has a lot of images in it, how do I reduce the size of the PDF without compromising on the image quality

Posted

This is going a bit over my head - I thought you only got 16 bit images if you shoot photos in RAW format?  The pictures in the brochure are either photos shot in JPG or photoshop files  which have been saved as jpgs. The odd thing is that I have just changed a few pages of the brochure by replacing some old images with new ones (approx 15 images) and the size has shot up from 43MB to 203MB.  I think I must have missed a setting in the export bit.  I have ticked downsampling above 120 and JOG compression.  Is there anything else I should set?

Posted
3 minutes ago, Lagarto said:

...But in Affinity apps, it is not that simple: e.g. cropped images (using Vector Crop tool) would be upsampled to document DPI and -- according to my recent test -- ignore any downsample settings specified in Export options. I'll have a test run to confirm this, but if you have lots of images cropped this way, this could explain the problem at least partially.

wuuuut.jpg.2b761f119c3727835cf1955fff83afb4.jpg

Posted
7 hours ago, weddingsue said:

The brochure has a lot of images in it ...

In the afpub file are they embedded or linked? If linked then I think they will not contribute much to the size of the afpub file but will make the PDF export much larger.

All 3 1.10.8, & all 3 V2.5.7 Mac apps; 2020 iMac 27"; 3.8GHz i7, Radeon Pro 5700, 32GB RAM; macOS 10.15.7
A
ll 3 V2 apps for iPad; 6th Generation iPad 32 GB; Apple Pencil; iPadOS 15.7

Posted
9 hours ago, Lagarto said:

Logically export size should not be dependent in any way on the way the source is available (as long as it really is available), and as I briefly tested this with an 18MB image at full A4 size, and copied it on another page at half size, first both instances linked, then embedded, the export sizes (PDF/X1-a:2003) were identical.

I am talking about comparing the size of the afpub file to the size of the PDF export file. If the former has a lot of large linked images in it then its size would be much smaller than the export, would it not?

All 3 1.10.8, & all 3 V2.5.7 Mac apps; 2020 iMac 27"; 3.8GHz i7, Radeon Pro 5700, 32GB RAM; macOS 10.15.7
A
ll 3 V2 apps for iPad; 6th Generation iPad 32 GB; Apple Pencil; iPadOS 15.7

  • 6 months later...
Posted

Instead of exporting to a PDF, which does create a huge file, try going to 'Print' and then print to a PDF (a feature in Windows, or you can download free apps to create this option.). I've done this with another program, and have gotten a much smaller file. eg 40MG instead of 200+MG.

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