JSON Field Extractor

Export only fields you need from full JSON objects, nested arrays, or root arrays. Works entirely in browser with paste or file upload.

JSON subset export

Selectors

Matches

idprofile.emailprojects[].slugprojects[0].stats[].name

Source JSON

Current source: pasted JSON

Upload JSON file

Field selectors

One selector per line or comma-separated.

Selector rules

`foo.bar` selects nested object fields.

`items[]` selects all array entries.

`items[0]` selects exact array index.

`[].name` works when root JSON is array of objects.

Extracted JSON

Output keeps JSON structure for matched fields.

Extracted 9 matching fields from 6selectors.

{
  "id": "build-142",
  "profile": {
    "email": "ava@example.com"
  },
  "projects": [
    {
      "slug": "infinio-tools",
      "stats": {
        "stars": 124
      },
      "maintainers": [
        {
          "name": "Ava"
        }
      ]
    },
    {
      "slug": "api-gateway",
      "stats": {
        "stars": 78
      },
      "maintainers": [
        {
          "name": "Noah"
        }
      ]
    }
  ],
  "logs": [
    {
      "type": "deploy",
      "status": "ok"
    }
  ]
}