Once in.pdf (Adobe Acrobat Pro), I go to the “View” tab, then “Common Tools”, then “Create a Presentation”, then “Reduce File Size”. By doing this, my 13.6 MB Word file dropped to a 4.3 MB Adobe file, and then further reduced to a 1.2 MB Adobe file. Using the 'Reduce File Size' option does not greatly reduce the size. If you need to make it much smaller, use the 'EXPORT TO' option to convert the PDF to a JPEG or any other image. Once it is an image, use the 'PRINT TO PDF' option to send it back to PDF format. It will be much smaller. Quality will be sacrificed. Change Page size in a PDF barrelroom Apr 15, 2017 5:49 AM I am trying to send a book up to be published and in WORD it is 6 x 9.
It seems like a lot of folks are struggling with the size of scanned PDFs. Below are excerpts from two emails I received recently:
My [Fujitsu] ScanSnap makes PDFs that are too big . . . like around 60K per page! What can I do to make these smaller in Acrobat?
I have to eFile [with the Federal Court] and am having to split the filings into many segments to go through the [Court] gateway. The issue seems to be with documents that are scanned on our network scanner. PDFs produced directly from Word are a lot smaller. Is there some trick to reduce the size of scanned files?
Before covering how to reduce the size of scanned documents in detail, let’s discuss four factors that affect the size of scanned images:
Ideally, you would control all of the above factors yourself by scanning at 300 dpi, black and white and using an efficient compression algorithm.
Unfortunately, you many not have that option. Many desktop and network scanners offer limited or confusing options— or— the scanned PDFs arrived from outside your firm.
For the purpose of this article we will make a couple of assumptions:
Read on to learn how to reduce the file size of scanned documents using Acrobat.
Black and White Image Compression
There are three common types of compression used on black and white scanned images:
For most 300 dpi black and white scans, it can be very difficult to spot any visual differences.
Comparison of Compression, 300 dpi, 200% Enlargement Using 'Optimize Scanned Image' in Acrobat Standard and Pro
The Optimize Scanned Image feature performs various image clean-up tasks (de-skewing, edge enhancement) and also nicely compresses files.
Change The Size Of Pdf Online
Here’s how to use this feature:
What do the settings mean?
The slider at the top of the window has six clickable positions:
For 300 dpi black and white scans, only options a, b and f result in different file sizes.
Using Acrobat’s PDF Optimizer to Compress Scanned PDFs
The PDF Optimizer can be used to analyze and selectively compress documents. Sorry Acrobat Standard users— this feature is in Acrobat Pro and Pro Extended only.
Analyzing File Size of Scanned Documents
To better understand why a document is big, view the statistics available via the PDF Optimizer.
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The window above reflected the state of a 4-page scanned document:
A)Total file size about 200K B) Over 190K was allocated to images!
We can do a lot better than that . . .
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Reducing the Size of an Individual Scanned PDF using the PDF Optimizer
Acrobat can size the pages of a PDF to fit the selected paper size.
Tip: (Acrobat only, not Adobe Reader) You can set up a PDF to default to specific scaling or print options. Choose File > Properties, and click the Advanced tab. Select options for the Print Dialog Presets. The Default option in the Page Scaling pop-up menu is Shrink To Printable Area. Save the file to apply the new defaults. For more information, see Print Dialog Presets in Acrobat Help.
Not available in Adobe Reader 9: Scale using the preset scale options inAdobe Reader 9 or earlier.
You can magnify or reduce a PDF by an exact percentage.
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