Input JSON Array:

Select fields to remove (First-level):

Add New Field to First-Level Index

originalData(The deletedFields color is pink)

[
  {
    "id": 1,
    "name": "Alice",
    "age": 30,
    "email": "alice@example.com",
    "address": {
      "street": "123 Main St",
      "city": "Wonderland"
    }
  },
  {
    "id": 2,
    "name": "Bob",
    "age": 24,
    "email": "bob@example.com",
    "address": {
      "street": "456 Oak St",
      "city": "Pleasantville"
    }
  }
]

Minify Data (Added fields are blue)

[
{ ... }
,
{ ... }
]

Better JSON Tool