user2846289 questions

user2846289 answers

• PDF compressing library/tool
• PDF doc text shows differently in IE / Firefox / Chrome
• ghostscript: convert PDF into CMYK preserving pure Black for text
• Detect and alter strings in PDFs
• how to change all colours in a PDF to their respective complimentary colours; how to make a PDF negative
• imagemagick convert CMYK pdf to RGB jpeg or PNG and preseerve colors
• How to convert a PDF to grayscale from command line avoiding to be rasterized?