A-PDF to Black/White
A-PDF To Black/White provides a quick way to convert the images to monochrome or grayscale in Acrobat PDF documents directly. It detects color images and convert them to b/w or gray automatically, then reduces your PDF file size.
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How does it work
Why A-PDF to Black/White
Easy to use
The program is designed for ease of use:
- Select your PDF files
- Click "Convert to Black/White " or "Convert to Black/White and save as".
Save Your Time
- Handle a batch of files at one time.
- Process is completely automatic.
- Uses optimized algorithms to speed processing.
Save Your Money
A-PDF Black/White is a standalone program costing only $27. It does NOT require Adobe Acrobat Pro, which costs hundreds of dollars.
A-PDF to Black/White Command Line
A-PDF to Black/White Command line (pdfbwcmd.exe) is a Windows console utility that B\W the PDF file. The pdfdwcmd.exe is included in the download package already. You can find it at the installation directory, generally, it is located in C:\program files\A-PDF Black White.
PDFBWCMD.exe <input pdf> <output pdf> [-S<password>] [-M<Method>] [-T<Threshold value>] [-R<page range>] [-Q<JEPG Quality>] [-I] Parameters: Input File: Source PDF file. -S<password>: Password of source PDF file if application. Output PDF: Output PDF file, if it is not specified, the output file will be same as the input file. -M<Method>: 0: Threshold; 1: Dithering 2: Gryscale -T<Threshold value>:Use in Threshold Method. Null then the value will auto fit. -R<page range>: Sample 1,2,5-10. Default(null) is all -Q<JEPG Quality> : Default is 85. -I: Convert Images only. Default(null) Font and Draw Color will be Convert to B/W. Example: pdfdwcmd "C:\pdfs\source.pdf" "C:\pdfs\destination.pdf" -S"123" -M0 -T200 -R1,2,4-6 -Q90 note: "123" is a password for Source PDF file Return code: 0: Success 2: Input file does not exist 3: Create output dir failed 4: Load PDF error 5: Invalided Password 6: Non-support Security 7: Create output file failed 8: Can not save to output file
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