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Posted

Hello all !!! 

I am happy to find this feed as I am having the same problem as @waltonmendelson with a catalogue I wanted to send to the printer today, but couldn't because my exported pdf (Pdf/x-3:2003) is too large, about 700 mb (the online printer only accepts 500 mb). I do work with Affinity Publisher 1.10.4., and yes I am a bit frustrated, because I looked the whole day for a solution and couldn't find one, and don't have that much time left.  

I have a 60 pages catalogue, all full with cmyk jpgs (8bit), I tried the "Downsample images" to 299 - you wrote @Dan C, but it didn't change anything, I use a mac.

It would be great to have soon a solution !!!

If there are any news to solve it please let me know!! Thanx, Jeannette

Posted

@Jeannette Petri, please note that I have 'split' your post to a new thread so we can investigate this separately. Please ensure you are 'following' this thread to be notified of further replies.
The thread mentioned in your post can be found here, for those wondering - 

________________________________________________________________________________

Welcome to the Affinity Forums @Jeannette Petri :)

I'm sorry to hear you're having trouble!

The size of your exported PDF can differ based on many settings, including your document setup and external files used within the document.

Can you please upload a copy of your Affinity document to the following link for me? I shouldn't require all of your resources yet, so please only upload the .afpub file for now -

https://www.dropbox.com/request/ngxRTm7tW6SOKuD4DSZt

Once uploaded, please reply here to let me know and include a screenshot showing your PDF export settings, including the 'More..' options for me.

Many thanks in advance!

Posted (edited)

Hey @Dan C! Thanx for your reply. I needed to finish my project, so I ended up by downloading again indesign to upload my files to the printer. 

But it would be great to solve this problem for further projects, because I like to work with AP, it's a great program! I uploaded you my file "Dark Wald magazine" which should be in your dropbox! The print PDF weighs 679,1 MB, compared to the same exported with Indesign 150,6 MB. Thanx for solving! Thanx a lot from Germany! 

Bildschirmfoto 2021-11-30 um 17.04.18.png

Bildschirmfoto 2021-11-30 um 17.04.53.png

Edited by Jeannette Petri
Posted

No problem at all, I certainly understand - many thanks for letting me know!

I can see there are lots of image files in your document, most of which are placed at 315DPI -

rm.jpg

However your PDF export settings are set to only downsample images above 375DPI, meaning currently these images are not being downsampled.

Please change this value to below 315DPI (for example 300) and then try exporting the document once again. Does this provide better PDF sizes for you? :)

Posted

Thanks for trying that for me! Could you share a screenshot of your export settings within InDesign, so I can pass some feedback through to our team here? :)

Posted
21 hours ago, Lagarto said:

I think the keyword is here:

auto_compression_id.jpg.1328992a1ddc843850f3c5957682c8e8.jpg

This means that ID can use varied JPG compression rates qualitatively depending of the nature of the image to be compressed, while at the same time aim at maximum image quality

I agree, I can also see the file is being exported for PDF 1.3 compatibility, which if I'm not mistaken doesn't support transparency and this may also save file space, depending on the document itself.

I'll be sure to feed this back to our developers, to see how we can improve this in the future :)

Posted

so just to be clear: at the moment it's not possible to get a printable PDF file for online printers which are not that high, for example 60 pages Affinity Publisher makes 700 mb while Indesign weighs 150 mb. 700 mb is definitely too high, max is 500 mb. Ok, for me that's my main work I am doing with AP, to print stuff... books, magazines... flyers etc. are no problem.

Some German online printers need the PDF 1.3. compatibility. Thanx for your help!

Posted

Hello @Lagartothanx for your reply. I did decrease the JPG quality to 85, but it didn't make it less big. So yes if I have to buy Adobe Acrobat Pro to make the file smaller I can also buy Indesign again, nearly the same price. But I wanted to avoid to buy again more Adobe products. I really had the hope that AP is a alternative to Indesign, but unfortunately in my case it's not. 

I do the post (CMYK etc) sometimes in Photoshop, sometimes in Affinity Photo, it depends.

So I have in the end the same size of pdf as I put in with my photos, let's say I have 54 photos on 60 pages all around 12 mb, I have in total 650 mb! 

Just to understand how it works!

Thanxxx! 

Posted
On 11/27/2021 at 1:20 PM, Jeannette Petri said:

I have a 60 pages catalogue, all full with cmyk jpgs (8bit), I tried the "Downsample images" to 299 - you wrote @Dan C, but it didn't change anything, I use a mac.

If I were doing this I would use RGB not CMYK for JPEGs in the Publisher document. Then I would let Publisher change the colour to CMYK on export. 

 

From the JPEG.org site, there is a pdf file which states (emphasis is mine)

"

4.2.10 Printing

In the printing industry, the CMYK color model is widely used. Additionally, extra color channels can be used for spot colors. For distribution of images intended for printing, high-resolution and lossless or very high quality is desired, as well as the ability to represent CMYK and possibly additional channels (for spot colors/OGV). CMYK will typically be stored as lossless or near-lossless because it is used for interchange instead of storage and delivery.

"

Mac Pro (Late 2013) Mac OS 12.7.6 
Affinity Designer 2.5.7 | Affinity Photo 2.5.7 | Affinity Publisher 2.5.7 | Beta versions as they appear.

I have never mastered color management, period, so I cannot help with that.

Posted

I think you are missing my point about trying to use RGB JPEGs instead of CMYK JPEGs in the Publisher documents. I do not know for a fact that this will result in smaller PDFs, it is just an ingrained prejudice I have.

I am not going to try this out, I actually have no reason to test it. I am just putting it out there for someone to try and see if it will result in smaller CMYK PDF file sizes.

Mac Pro (Late 2013) Mac OS 12.7.6 
Affinity Designer 2.5.7 | Affinity Photo 2.5.7 | Affinity Publisher 2.5.7 | Beta versions as they appear.

I have never mastered color management, period, so I cannot help with that.

Posted
2 hours ago, Lagarto said:

I just wanted to check whether there is some inherent problem with Affinity export when trying to compress CMYK JPG source images, because that's what OP tried (lowering from the default 98 to 85 and that did not have effect), but I could not reproduce this. However there might be some specific condition (e.g. compression method used with the source CMYKs) that causes this, and that's where my interest in this topic is. Just resolving the problem, changing the sources to RGB if that is still an option would certainly do it.

Thanks for the clarification.

Mac Pro (Late 2013) Mac OS 12.7.6 
Affinity Designer 2.5.7 | Affinity Photo 2.5.7 | Affinity Publisher 2.5.7 | Beta versions as they appear.

I have never mastered color management, period, so I cannot help with that.

  • 5 weeks later...
Posted

I was looking for a solution for large files exporting as PDF from affinity publisher. I found a solution and it may be useful to someone. I export a pdf file and use 200 DPI (the file size is 19 mb). Then I open the saved pdf file in publisher and choose export as PDF again choosing 200 DPI (the file is 1.97 mb) and the quality is the same.

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