Reducing pdf file size

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elefem
Posts: 7
Joined: Fri Apr 17, 2020 9:40 pm
Country: USA

Reducing pdf file size

Post by elefem »

I'm editing a pdf file consisting of several hundred pages of a book, scanned at 300 dpi. A typical page requires a small rotation, erasing of stray marks, re-centering within an 8x11 format, and saving at 150 resolution (60% jpeg compression)— in other words, no apparent increase in content. Yet the saved file sizes are vastly greater than the original, usually by a factor of 10 or more. How can I avoid this ballooning, or correct it if it's already happened? Using a coarser compression doesn't help that much.

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forum_adm
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Posts: 860
Joined: Fri Dec 23, 2016 9:41 am
Location: Germany
Country: Germany

Re: Reducing pdf file size

Post by forum_adm »

Hi,

please e-mail the original file to support@lemkesoft.com
So, we can check the original encoding and resolution.

Thorsten