Wish Add copy button and loading from url to the json tree tool

The Json tree tool is a great tool I use almost every time, both the jar file and the online one, but I tend to use the online one almost 95% than the offline one. Two things I wish to be added is
1. Loading Json page directly using URL and
2. Adding Copy button so that longer results can be copied to clipboard with a click.

Currently, highlighting to copy is fine for simple Json strings. Also, CTRL + A also does not work as it selects everything on the page

Copy button added.

Loading external urls is problematic from a security point.