I need a software which can convert color tif image to 400 dpi with CCITT group 4 format.
Customer
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Our docPrint Pro v6.0 has this function, you may download and purchase it from following web page,
https://www.verypdf.com/app/document-converter/try-and-buy.html
https://www.verypdf.com/artprint/docprint_pro_setup.exe
after you installed it, you can run following command line to convert color tif image to 400 dpi with CCITT group 4 format,
"C:\Program Files (x86)\docPrint Pro v6.0\imgconv.exe" -density 400x400 -dither -compress Group4 -type bilevel -monochrome D:\color.tif D:\bw.tif
This is original color TIFF image,
This is processed blank and white TIFF image, compressed with CCITT G4 compression,
VeryPDF