Ok, my fault! But if i remove the command "alpha -Off" the transparent part in the source image is getting black. So how can i preserve the transparency in the source image?
I'm trying to clip an PNG image with an image mask. I tried the following command: convert .\src.png .\mask.png -alpha Off -compose CopyOpacity -composite dst.png When i use a JPEG as source image, everything is working fine. But if i use a PNG image, the output file turns black. Source Image: https ...