json viewer, detect a json in the selected lines and show it

[ceccopierangiolieugenio]

assuming you have

bla bla : {"test" : 1, "v1" : True : "v2": "Tes...
bla bla : t", "v3" : 12345 }

will be decoded as this json

{"test" : 1, "v1" : True : "v2": "Tes...t", "v3" : 12345 }