Is it possible to create a transparent PDF from a PNG file?

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1

 

I have an MS-Word document with black text on a white background. When I print it with PDFCreator 1.2.0 this results in a transparent PDF - which is exactly what I want. (The fact that the PDF is transparent is obvious when I add a background image to it using PDFTK.)

However I also have a PNG file which has a black image on a transparent white background, and when I open the file using Irfan View and print it using PDFCreator, I end up with an opaque PDF - which is *not* what I want. (My PNG file uses indexed color; index entry #0 is white and has an alpha value 0; entry #1 is black; the background color is index entry #0.)

Is it possible to create a transparent PDF from a PNG file using PDFCreator? And if so, what format should the PNG file be in? And does it matter what application I open the PNG with before printing (e.g. IE, Firefox, Irfan View....)? And what settings do I need to use in PDFCreator?

2

It has several limitation. I haven't found any solution as yet.

3

Hi,

PDFCreator can't create transparent PDFs mainly due to restrictions of the Postscript format, as it is based on a virtual printer and can only directly process Postscript and PDF files. PDF Architect can directly convert the PNG to PDF without printing and keep all the transparency.

Best regards

Robin