How to merge two JPEG files back into a single JPEG (Both sides of a receipt in single image) without using any third party software like Gimp etc...
constraints/situation in my case
- I had only 2 images to merge, not more
- both images were A5 size and I wanted to merge into A4
- No third party software. Only pre-installed OS X software to be used.
- process to be simple enough for any OS X user