It's free & pretty darn robust.
That said, I haven't used Adobe, or another photoshop suite in a while to compare.
I use Pixlr regularly for combining images and photoshopping at a basic level - always gets the job done for me.
I've used Photopea in the past when I've needed to edit .PSDs specifically on a computer without Photoshop. It carries with it the complexities of Photoshop. and can be a little unwieldy and laggy, but if you are looking for a comparable feature set to Photoshop and to export to .PSD, Photopea will do the job—
