How to convert an image object to a binary blob

Question

Is it possible to parse an image object () in the DOM as if it had been uploaded and opened with FileReader? I am trying to use jpegmeta.js to extrac

Answer 1

The general consensus seems to be summed up in this answer: Get image data in JavaScript?

So if you need the exif data, you'll need to use the XHR technique. Hopefully the browser will have the image cached, so it won't be too much of a performance hit. Otherwise the canvas technique should do the job.