If you desire to set full size Profile Picture without cropping in whatsapp on android then this app will definitely allow you to achieve that. You cannot simply set full size profile picture in WhatsApp because WhatsApp profile picture accepts square resolution which is not possible as the pictures taken with smartphones are either in landscape or portrait mode which canít be of square resolution.
In order to set WhatsApp profile picture without cropping you need to edit your Photos with the help of NoCrop app
Step 1. Download and install nocrop app Google play link
2. Goto the your gallery and select the pic you want to use as your whatsapp dp. Click on share and select NoCrop
3. Click save once you get this screen
4. Set as your whatsapp dp