Total Newbie - Removing Checkered Background

[PixLab]

(07-16-2024, 11:35 PM)Connolly Music Creations Wrote: I'm trying to remove the checkered background and replace it with a white background.  I looked at several vids on youtube but none really explained it.  It's probably easy but I'm opening this up for the first time.  Thanks

For such a tiny image like this, detail won't really matter, thus I'll duplicate the image,
on the new layer, I'll do a vertical curve by going to Colors > Curves..., this will remove the grays by making them white

   

Then put that top layer in HSV Value