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

Dot paths (profile.email, projects[].slug) plus full JSONPath ($..name, [?(@.stars > 100)], slices, unions).

Selectors

Matches

Source JSON

Paste, upload, or drag & drop a file.

Upload JSON file

Field selectors

One per line. Dot paths and JSONPath both work.

Liveresults update as you type

Output options

FormatValue filter

FlattenUniqueSortDrop nulls

Extracted JSON (pretty)

Merged output keeps JSON structure for matched fields.

Extracted 8 matching fields from 6 selectors.

Per-selector results

1id→ "build-142"
1profile.email→ "[email protected]"
2projects[].slug→ "infinio-tools"
2projects[].stats.stars→ 124
1projects[0].maintainers[0].name→ "Ava"
1logs[0]→ {"type":"deploy","status":"ok"}

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