Many desktop and network scanners offer limited or confusing options- or- the scanned PDFs arrived from outside your firm. Unfortunately, you many not have that option. Ideally, you would control all of the above factors yourself by scanning at 300 dpi, black and white and using an efficient compression algorithm. Raw scan data can be compressed to make it smaller.Ĭompression retains the exact appearance of the original.Two common types of lossless compression are ZIP and CCITT Group 4.Ĭompression makes some (hopefully) non-noticeable visual trade-offs to further reduce file size.JPEG is a common lossy compression method. Physical dimensions of the scanned pageĪ legal-size scan will be larger than a letter-size scan, with all other factors being equal.
#How to reduce page size of pdf how to
Is there some trick to reduce the size of scanned files?īefore covering how to reduce the size of scanned documents in detail, let’s discuss four factors that affect the size of scanned images:Ī scan at 600 dpi results in a much larger file than at 300 dpi.Ĭolor and grayscale files result in much larger files than black and white files. PDFs produced directly from Word are a lot smaller. The issue seems to be with documents that are scanned on our network scanner. I have to eFile and am having to split the filings into many segments to go through the gateway. like around 60K per page! What can I do to make these smaller in Acrobat? Below are excerpts from two emails I received recently:
It seems like a lot of folks are struggling with the size of scanned PDFs.
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