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Please find below answers to the most frequent pre-sales, sales and technical questions asked by the PDF Reducer users.

To get started download the software package corresponding to the commercial edition you’re interested in (Desktop or Server).
Once you’ve downloaded the software, you just need to start the installer and follow the installation process.
Voilà !
The system requirements for running PDF Reducer are 1.3GHz processor or better; at least 512MB of RAM (1GB or more recommended); Windows (Vista or higher) operating system.
The On-Premises Editions of PDF Reducer are distributed in two versions: one for desktop and one for server. If you need to use PDF Reducer On-Premises Edition on a single computer, the Desktop version is for you. Companies and organizations that want to use PDF Reducer on one server machine can choose the Server version.
We just released PDF Reducer version 4.
If you own a version 3 license, you are entitled to a 50% discount upgrade. And if you purchased after the 9th of December, 2021, you can get a free upgrade.
If you wish to claim your discount code or free upgrade, would like to upgrade from version 1 or 2 or have questions, please get in touch with us.
The download package of the Desktop Editions includes a 30-day free trial. If you need to test the Server edition, please send us a message here and we will send you a trial key. The free trial starts at the first use of the software. When the trial expires you will need to enter a commercial key to keep using the product. If you need an extension of the evaluation, please send us a message here and we will send you a trial key. The free trial will cause your pages to have a watermark on them. When purchasing PDF Reducer your pages will no longer be watermarked upon compression.
Owners of a commercial edition can contact the technical team and get priority support by opening an account on the Helpdesk.
To better help you solve the problem, please provide the following information:
  1. PDF Reducer version and your Operating System
  2. A detailed description of the problem
  3. Any other related information, such as log file, sample file to reproduce the issue or error screenshot
ORPALIS PDF Reducer Professional can be fully automated through command line interface.
Bellow you will find all supported parameters of the latest available version.

pdfreducer.exe [parameters]
pdfreducer.exe /IF < input format(s)>
Parameters can be:
  • /Min to start application with minimized window state (since PDF Reducer 1.1.7)
  • /P < input folder>
  • /F < input file(s)> (note: each file path is delimited by the vertical bar character '|')
  • /D < destination folder>
  • /T < number of threads>
  • /NS (don't process sub folders)
  • /DC to disable the "color detection" option
  • /DR to disable the "re-compress images" option
  • /DU to disable the "discard unused objects" option
  • /DD to disable the "downscale images" option
  • /Q (0: low, 1: Medium, 2: High, 3: Very high)
  • /R (image downscale resolution)
  • /DJ2K to disable the "JPEG 2000 compression" option
  • /RF to remove form-fields
  • /RA to remove annotations
  • /RB to remove bookmarks
  • /RE to remove embedded files
  • /linearized to enable fast web view
  • /MRC to enable MRC compression (since PDF Reducer 2.0.2)
  • /KT: to keep the original last edition and access time of the input files
  • /IF: to choose the document formats to process (note: each document format is delimited by the vertical bar character '|'). Supported formats are: ICO, BMP, WBMP, JPEG, GIF, PNG, TIFF, FAXG3, EXIF, EMF, WMF, JNG, KOALA, IFF, MNG, PCD, PCX, PBM, PBMRAW, PFM, PGM, PGMRAW, PPM, PPMRAW, RAS, TARGA, PSD, CUT, XBM, XPM, DDS, HDR, SGI, EXR, J2K, JP2, JBIG, PICT, RAW, WEBP, DICOM, JBIG2, MEMORYBMP, PDF, SVG, RTF, DOCX and TXT.
  • /LOG: to export logs to destination folder
  • /DW: to disable warning when input and output directory are identical
  • /DO: to delete the original files when they are successfully reduced
  • /RH: to remove the hyperlinks from a document

Example 1: reducing C:\myPdfs\input\file1.pdf and C:\myPdfs\input\file2.pdf using 2 CPU threads and saving them to C:\myPdfs\output:
pdfreducer.exe /F "C:\myPdfs\input\file1.pdf|C:\myPdfs\input\file2.pdf" /D "C:\myPdfs\output" /T 2
Example 2: reducing all documents (including sub-folders) available C:\myDocuments using 8 CPU threads:
pdfreducer.exe /P "C:\myDocuments" /D "C:\myDocuments" /T 8

The command line feature is included in the On-Premises Editions (Desktop and Server).
To get a quote, please use the Quick Contact Form available on our website.
Our sales team will be happy to help.
To place an order you have two possibilities: you can order directly on the website via the online store, or you can use the Quick Contact Form to get a quote and the corresponding banking information to make a wire transfer.
For volume license requests, please use the Quick Contact Form to send your information and the sales team will issue a quote tailored to your needs.