Compress-PDF

Requirements

• This script requires the application GhostScript to be installed in its default path (https://ghostscript.com/).

Instructions

• Download the code as a zip file.
• Unzip the contents to a location of your choosing.
• Open a PowerShell window and browse to the location of the Compress-PDF.ps1 script. Alternatively you can execute the script by specifying the full path.
• Execute the script by following the usage examples below. If you recieve the error "not digitally signed" you will first need to execute the command Unblock-File -Path .\Compress-PDF.ps1

Parameters

• SourceDirectory

  Directory with the PDF files to compress.

• DestinationDirectory

  Directory where the compressed PDF files will be saved.

• CompressionLevel

  The level of compression to apply to the PDF. Choices are screen, ebook, printer, prepress (most compression -> least compression). If the parameter is not included the GhostScript default compression level will be used.

Usage Examples

Example 1:

Compress all PDF files in the source directory to the ebook compression level, and the results are saved to the destination directory.

.\Compress-PDF.ps1 -SourceDirectory "C:\Temp\PdfSource" -DestinationDirectory "C:\Temp\PdfDestination" -CompressionLevel ebook

Example 2:

Compress all PDF files in the source directory to the default compression level, and the results are saved to the destination directory.

.\Compress-PDF.ps1 -SourceDirectory "C:\Temp\PdfSource" -DestinationDirectory "C:\Temp\PdfDestination"