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B
betsyp@ema-eda.com
Participant
August 10, 2020
Question

Reduce file size of extracted PDF pages

  • August 10, 2020
  • 3 replies
  • 4512 views

I am trying to use Acrobac DC Pro. I have a 100 page PDF document and I am trying to extract one or two pages at a time and save them as a separate PDF files. However, each single page I break out is 1-3 megabytes. How can I reduce the file size to a few kb? The broken out pages are 20 times larger than the original PDF!!

Betsy

 

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3 replies

B
betsyp@ema-eda.comAuthor
Participant
August 11, 2020

Thank you for your quick help. My PDF files are now more than 20 times smaller. Thank you so very much.

Luke Jennings3
Community Expert
Luke Jennings3Community Expert
Community Expert
August 11, 2020

From Acrobat, go to File> Save as other> Optimized PDF. I would first try selecting all of the Discard Objects, Discard User Data & Clean up options (unless there is something you need to keep) and if that PDF is still too large, you can include fonts (never unembed a font, but subsetting is OK) and if it's still too large you can downsample images.

andrewo31439192
andrewo31439192
Participating Frequently
September 14, 2021

Hi there i am having the same issue:


Original PDF:
44 Pages of text only layout
File Size = 232Kb

Extracted PDFs: 
After extracting all 44 Pages as 44  separate PDF files:
Total combined File weight of all 44 extracted pages is now 2,3mb
'Audit Space Usage' from extrated page:
Content steams -  3.2%
Fonts - 66.48%
Document Overhead - 29,97 %
Extended Graphics States - 0,35%

Wondering where the bloat is coming from on the individual extracted pages and if there is an automated script that can be used to address this at scale before or after extraction. 

I have attempted Fix above without result. All discard and clean up options checked and extract page saved. no gains in reduced file size.
 
  

Luke Jennings3
Community Expert
Luke Jennings3Community Expert
Community Expert
September 15, 2021

@Luke Jennings3 @try67 fonts are definitely the culprit here. thanks for your assistance. 
Reducing the quantity of fonts used in the layout has reduced extrated file size !! A win

To rephrase this question for an optimal result. 

Is it possible to have 0 embeded fonts in a PDF without converting the type to shapes
(which increases file size and negates the excercise).
Is there a particualar font that I could use in the software of origin to achieve this ? 

Ideally the below screen would have 0 items in it without having to convert to shapes.


I don't think so. As long as the PDF contains live type, the fonts used will appear in the font list. You can unembed the fonts by saving as an optimized PDF, which may make the PDF a bit smaller, but I suggest you do not do that, as unexpected changes to the copy are likely to occur when viewing and/or printing the PDF, even if all appears well on your computer. Another way to eliminate fonts from the list is to save the PDF as an image (bitmap), although the size would likely increase.

    try67
    Community Expert
    try67Community Expert
    Community Expert
    August 10, 2020

    That's not unheard of. This can happen because of a large, fully-embedded font being used in the pages, for example, or a graphic image that is shared across all pages in the original file. You can try optimizing the file, but it's not a magical solution. At a certain point if you want to reduce file size you have to reduce the file's quality, or make changes to it (like replace custom fonts with built-in ones).

    B
    betsyp@ema-eda.comAuthor
    Participant
    August 11, 2020
    How can I change the font? What font types are compatible with the creation of a PDF?

    Betsy
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