>However, there isn't, and I don't think you'll find an offline tool that comes close in terms of quality of result.
There is: https://github.com/danielgatis/rembg
There is: https://github.com/danielgatis/rembg
Take the lion example from the readme: https://raw.githubusercontent.com/danielgatis/rembg/master/e...
The alpha blending of the fur around the edges is way off.
Compare to RemoveBG results: https://i.imgur.com/Jt2ICsD.png
Unfortunately it won't let me export in full-res without creating an acount, but the fur is handled properly.