Thank you for your nice tool!

It would be easier to read the output if dictionary keys were sorted by name.
Like, for {"bb":{}, "aa": 1, "cc": null} instead of

{
  "bb": {},
  "aa": 1,
  "cc": null
}

the output would be

{
  "aa": 1,
  "bb": {},
  "cc": null
}