put add/extract functions into context menu (on right click on the file) or/and add drag and drop functionality (it is annoying to navigate with 'browse')

I would like to be able to add / extract a file without starting the program, just like winrar does with archiving/extracting - just with a right click of a file in Explorer.

Also, when you have to select an image to use as a container or a file to encrypt, having a drag-n-drop functionality on the "browse" panel would increase the user experience a lot.