How do I Merge PDF's without losing quality?

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I am merging PDF's for a children's book. The problem is that no matter how I merge, Acrobat keeps compressing my files. The merged document should be almost 1GB but it's compressing it down to 128mb which is terrible for print! What am I missing? Please advise, I've tried making sure the button is selected for highest res.

JR Boulay

Community Expert

[MOVED TO THE ACROBAT DISCUSSIONS]

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Acrobate du PDF, InDesigner et Photoshopographe

JR Boulay

Community Expert

You can choose the type of compression for each imported image format, except for JPEG images, which are left untouched (unmodified).

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Acrobate du PDF, InDesigner et Photoshopographe

Dov Isaacs

Legend

How are you “merging” the PDF files?

Inserting a PDF file into another or combining PDF files is normally a lossless operation.

- Dov

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- Dov Isaacs, former Adobe Principal Scientist (April 30, 1990 - May 30, 2021)

JasonSmithersAuthor

Participant

I've done it two ways. I've used 'Merge' in the Acrobat program and also combining them through Preview and both ways gave me the same result

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I

Ivano - GD Sailor

Participant

Adobe programmers no have idea of how technological worst are his software. There are no way to create pdf without compression with Adobe's software. You must use a third part pdf creators.

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