Chrome: Tainted Canvases May Not Be Exported; Offline-only App

This question is similar, but not identical to many of the existing questions on this topic, including Tainted canvases may not be exported. I am writing an offline-only app that h

Solution 1:

You could specify all your img.src as inline base64-encoded URLs.

img.src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAgAAA ..."

This way all the imgs are local to your app and CORS is satisfied.