Daily Archives: 2014/04/03

How to convert a color PDF file to grayscale PDF file or black and white PDF file?

Question: I have a color PDF file, I want remove all color information, convert it to a grayscale PDF file or black and white PDF file, how to do? Answer: This can be done easily, please by following steps to … Continue reading

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How to stamp Chinese and Unicode characters to PDF pages by PDFStamp Command Line software?

Excuse me, I have a question about pdf stamp command line Product's name:pdf stamp command lineProduct's version number:v2.5 My Command line is: pdfstamp.exe -PDF "D:\test.pdf" -o "D:\outputTest.pdf" -AT "ド"-1403005" -FT "Arial" -P9 -R45 -FS80 -C#FF0000 -opacity50 -H There are Chinese … Continue reading

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How to use PDFStamp SDK to add rectangles and lines with opacity option to PDF pages?

Hello, I’m trying to get your PDFStamp SDK to work in our development environment, but the DLL is having trouble registering/adding etc. When I try and run the 64bit install script, after copying 3 files to "system32" folder, I get … Continue reading

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