necropost

I recommend [url=https://www.getpaint.net]paint.net[/url], donation-funded (ad-free and also just free) downloadable software that does all the neat stuff Adobe and our other corporate art overlords don't want competitor software to be able to offer
It's got a magic wand tool you can use to select the whole blank background and delete it, so you can manually do what [url=https://www.remove.bg]remove.bg[/url] entrusts to a dumb stupid blind AI, without having to sacrifice your image's resolution

It's more trouble than it sounds, even with flat-color backgrounds, but if you spend about 30 minutes on an image it comes out cleaner than you'd get if removebg botched it and you had to clean up