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RESEARCH-DATAMAN  July 2015

RESEARCH-DATAMAN July 2015

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Subject:

Re: Converting overlarge PDF scans

From:

SIMPSON Colin <[log in to unmask]>

Reply-To:

Research Data Management discussion list <[log in to unmask]>

Date:

Wed, 8 Jul 2015 13:11:28 +0000

Content-Type:

text/plain

Parts/Attachments:

Parts/Attachments

text/plain (73 lines)

Hi,
For the past three years I've been running an action in Adobe Pro to reduce file size on scans of our lab notebooks. We send our books away to be scanned by an external company, when they return the pdf is approx. 200 - 300mb in size, (The books are 200 pages of A4). Once I run the reduce file size action the output pdf is generally between 20 -40mb. The images contained in the books are still legible although not of print quality, however as a reference point our scientists seem to be fairly content with the output.
I've scripted this to run across multiple files at a time, it generally runs without a hiccup.
Cheers
Colin


Colin Simpson

Project Officer
Information and Data Management         

The Roslin Institute
University of Edinburgh
Easter Bush
Midlothian
EH25 9RG 

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-----Original Message-----
From: Research Data Management discussion list [mailto:[log in to unmask]] On Behalf Of Tom Parsons
Sent: 08 July 2015 13:00
To: [log in to unmask]
Subject: Re: Converting overlarge PDF scans

As Tim said, if you have Adobe Pro then it will reduce the size of all files in a folder:
http://www.affinityconsulting.com/technology-tips/225-batch-reduction-of-file-size-in-acrobat-pro-save-space-time

You can also use the "Action Wizard" in Adobe Pro to export images as jpg or png and then compress them. I've had good results using TinyJPG:
https://tinyjpg.com/

This software also claims to do the same (untested by myself though):
http://www.pdfcompressor.org/reduce-pdf-file-size.html

Good luck

Tom

-----Original Message-----
From: Research Data Management discussion list [mailto:[log in to unmask]] On Behalf Of John Milner
Sent: 08 July 2015 09:00
To: [log in to unmask]
Subject: Converting overlarge PDF scans

I have a large number of historic papers that appear to have been scanned as bitmaps and then presented as PDFs. The result is files that are around 30mb and upwards to 100mb in some cases. Does anyone know if there is any way these can be reduced in size?

John K. Milner
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