Why does GIMP not export transparency in PDFs?

Why does GIMP not export transparency in PDFs?

What I do is crop the scanned document to the stamp, apply the commend “color to alpha”, then export to pdf to obtain a stamp that can be used on various pdf software with the proper function. The problem is that with the 2.10.8 version of Gimp, the exported pdf does not retain the transparent background.

What are the settings for PDF in Acrobat Reader?

PDF files created with PDF/X‑1a compliance can be opened in Acrobat 4.0 and Acrobat Reader 4.0 and later. PDF/X‑1a uses PDF 1.3, downsamples color and grayscale images to 300 ppi and monochrome images to 1200 ppi. It embeds subsets of all fonts, creates untagged PDFs, and flattens transparency using the High Resolution setting.

How to print PDF file in Acrobat 5.x?

— In an Acrobat 5.x product: 1 Click Advanced. 2 Select Choose Output Tray by PDF Page Size. 3 Click OK to close the Print Settings dialog box, and then click OK to print. More

Can a PDF file print larger than expected?

A PDF file prints smaller or larger than expected (for example, 90% of the original size) from an Adobe Acrobat product (Adobe Reader and Adobe Acrobat).

Why is GIMP not exporting to.png?

I’m trying to export this to .png but whatever I do, it comes out like this. I removed the background with colour to alpha, and gimp shows it how I want it. However whenever I export the image, gimp replaces the background as if I had never made it transparent.

Why does GIMP change the background of an image?

I removed the background with colour to alpha, and gimp shows it how I want it. However whenever I export the image, gimp replaces the background as if I had never made it transparent. Colour mode is RGB. When I add a white layer behind the image, the original background also returns. Any help would be appreciated.

What’s the difference between color and Alpha in GIMP?

Colour mode is RGB. When I add a white layer behind the image, the original background also returns. Any help would be appreciated. Using Color to Alpha only removes one color. Although the background my appear to be one solid color. In actuality it could be made of numerous colors. As you can see in the GIF image below.