Set whatsApp full size Profile picture without cropping:
1.) Create a square size photo of the desire picture, which you want to make profile picture of WhatsApp. Don’t worry, following two App can convert your picture as square sized.
a.) No Crop: Not only it will post full size photos, but also enables you to edit, rotate, resize, add templates, add fonts, and apply filters to it. It is rated 4.5 stars in Android play store. Once you are done with editing your photo, save the picture
b.) #SquareDroid — Full Size Photo : With same rating as No Crop app, this app also enables you to upload a full size profile picture on whatAapp. Square droid gives less editing functionality but with more friendly User Interface(UI) design compare to No Crop App.
Now, its just your choice, you can choose any of the two, as both will do the same.
2.) Once saved, Open up WhatsApp and navigate to settings->Profile and tap to Photo window. Now Press Edit or Pencil icon, and upload the saved photo.
3.) Now this makes you to resize the full size photo in a square frame of WhatsApp.