Why Your PNGs Save With a Black Background and How to Fix It Fast

https://oscar-wiki.win/index.php/Backgroundremover.com_vs_remove.bg:_A_Practical,_Side-by-Side_Guide_to_Choosing_the_Right_Background_Remover

What you'll solve: stop seeing black behind your transparent images If you opened a PNG and saw your carefully cut-out subject sitting on a black block, you wasted time and got frustrated