Advanced image editor.
Ranked in these QuestionsQuestion Ranking
Pro Has most of standard Photoshop filters
Pro Has advanced layers support
Pro Can save to cloud, locally, or directly copy to clipboard
Pro Has a Chrome App
Con Cannot zoom using mouse wheel
Con Slow to open
Sumo Paint is pretty slow to open when compared to other online photo editors.
Con Lacks drag and drop support
Doesn't yet support dragging & droping images in to the browser window.