Hi, You are looking for a expert website designer.
You are looking for Javascript module that allows to crop/rotate uploaded images and insure correct DPI.
I have strong knowledge and 7+ years experience in designing , Angular.js, HTML5, Javascript, jQuery / Prototype and any type of website in all platforms. so i can design your site based on your requirements with top quality and great satisfaction.
Kindly contact me in private chat for further discussions. so that i can get a fair idea about project scope and help you more better beyond your expectations.
Thanks.
Navjoot#