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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.
 
  

try67
Community Expert
try67Community Expert
Community Expert
September 14, 2021

The issue is most likely due to embedded fonts. Each individual file must have them too, which can cause their file-size to "bloat". This can't be solved with a script.

    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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