Alpha becomes black when coming from clipboard on Mozilla Firefox and MS Edge

Question

I\'m using a code from here to paste images from clipboard on a page. It works fine in all browsers (Chrome, Firefox, Edge and Opera).

The problem is: when the image is

Answer 1

You won't be able to work around this yourself. The only way your users can avoid this is to upload or download the images instead of using the clipboard to import or export them.