황병희 writes: > iVBORw0KGgoAAAANSUhEUgAAADAAAAAwBAMAAAClLOS0AAAAHlBMVEVMM2UIAhGJrpkJDwsD [...] > Can i recover original image file from the string? Yes, it's just a base64 encoded png. So place the text in a region in Emacs and go M-x base64-decode-region, and you get: