Key Transform

Convert JSON keys between camelCase, snake_case, and kebab-case

JSON Input

{
  "blog": {
    "posts": [
      {
        "id": "post-1",
        "title": "Async Flows in Node",
        "author": "Marcus Lee",
        "publishedAt": "2026-02-26",
        "tags": [
          "api",
          "typescript"
        ],
        "comments": 26,
        "likes": 88
      },
      {
        "id": "post-2",
        "title": "Async Flows in Node",
        "author": "Ethan Malik",
        "publishedAt": "2026-04-29",
        "tags": [
          "api",
          "observability",
          "performance"
        ],
        "comments": 7,
        "likes": 77
      }
    ],
    "analytics": {
      "totalViews": 1722,
      "uniqueVisitors": 1611
    }
  },
  "users": [
    {
      "id": "user-1",
      "name": "Mateo",
      "role": "editor",
      "email": "mateo@rustic.app"
    },
    {
      "id": "user-2",
      "name": "Liang",
      "role": "maintainer",
      "email": "liang@northwind.dev"
    },
    {
      "id": "user-3",
      "name": "Ravi",
      "role": "analyst",
      "email": "ravi@signal.build"
    },
    {
      "id": "user-4",
      "name": "Elena",
      "role": "admin",
      "email": "elena@rustic.app"
    },
    {
      "id": "user-5",
      "name": "John",
      "role": "contributor",
      "email": "john@signal.build"
    }
  ],
  "settings": {
    "theme": "light",
    "notifications": false,
    "language": "en"
  }
}

Transformed Output

{
  "blog": {
    "posts": [
      {
        "id": "post-1",
        "title": "Async Flows in Node",
        "author": "Marcus Lee",
        "publishedAt": "2026-02-26",
        "tags": [
          "api",
          "typescript"
        ],
        "comments": 26,
        "likes": 88
      },
      {
        "id": "post-2",
        "title": "Async Flows in Node",
        "author": "Ethan Malik",
        "publishedAt": "2026-04-29",
        "tags": [
          "api",
          "observability",
          "performance"
        ],
        "comments": 7,
        "likes": 77
      }
    ],
    "analytics": {
      "totalViews": 1722,
      "uniqueVisitors": 1611
    }
  },
  "users": [
    {
      "id": "user-1",
      "name": "Mateo",
      "role": "editor",
      "email": "mateo@rustic.app"
    },
    {
      "id": "user-2",
      "name": "Liang",
      "role": "maintainer",
      "email": "liang@northwind.dev"
    },
    {
      "id": "user-3",
      "name": "Ravi",
      "role": "analyst",
      "email": "ravi@signal.build"
    },
    {
      "id": "user-4",
      "name": "Elena",
      "role": "admin",
      "email": "elena@rustic.app"
    },
    {
      "id": "user-5",
      "name": "John",
      "role": "contributor",
      "email": "john@signal.build"
    }
  ],
  "settings": {
    "theme": "light",
    "notifications": false,
    "language": "en"
  }
}