Is it safe to paste sensitive data into the Nested API Payload Path Finder?

Yes. The Nested API Payload Path Finder runs 100% client-side inside your browser thread — nothing you paste is uploaded, logged, or transmitted. SandboxMax is a static site with no backend server, no cookies, and no trackers: open your browser's network panel while you work and you'll see zero requests leave the tab.

Nested API Payload Path Finder

Pre-loaded with a production-style server metrics payload — three servers, nested metric groups, container lists, and an alerts array. Type a path like servers[1].metrics.cpu in the Path Finder to extract exactly the branch you care about instead of scrolling. Clear the path to see the whole formatted document.

runs 100% in your browser — payloads stay private

1Paste your JSONRaw, messy, or broken — the diagnostic banner shows the exact line and column of any syntax error.
2Fix & formatBeautify with tab indentation or flatten to a minified single line, with live byte savings.
3Query with pathsType servers[0].metrics.cpu-style paths to extract just the branch you need from big payloads.

Raw JSON input

{
  "cluster": "prod-us-east-1",
  "generated_at": "2026-07-04T21:00:00Z",
  "summary": {
    "servers_total": 3,
    "servers_healthy": 2,
    "alerts_open": 4,
    "uptime_pct": 99.82
  },
  "servers": [
    {
      "id": "web-01",
      "region": "us-east-1a",
      "status": "healthy",
      "metrics": {
        "cpu": {
          "load1": 0.42,
          "load5": 0.38,
          "cores": 8,
          "throttled": false
        },
        "memory": {
          "used_mb": 5120,
          "total_mb": 16384,
          "swap_used_mb": 0
        },
        "disk": {
          "used_gb": 88.4,
          "total_gb": 250,
          "iops": 1240
        }
      },
      "containers": [
        {
          "name": "nginx",
          "restarts": 0,
          "healthy": true
        },
        {
          "name": "api",
          "restarts": 2,
          "healthy": true
        }
      ]
    },
    {
      "id": "web-02",
      "region": "us-east-1b",
      "status": "degraded",
      "metrics": {
        "cpu": {
          "load1": 3.91,
          "load5": 3.44,
          "cores": 8,
          "throttled": true
        },
        "memory": {
          "used_mb": 14208,
          "total_mb": 16384,
          "swap_used_mb": 512
        },
        "disk": {
          "used_gb": 201.7,
          "total_gb": 250,
          "iops": 4890
        }
      },
      "containers": [
        {
          "name": "nginx",
          "restarts": 0,
          "healthy": true
        },
        {
          "name": "api",
          "restarts": 14,
          "healthy": false
        }
      ]
    },
    {
      "id": "worker-01",
      "region": "us-east-1c",
      "status": "healthy",
      "metrics": {
        "cpu": {
          "load1": 1.05,
          "load5": 0.97,
          "cores": 16,
          "throttled": false
        },
        "memory": {
          "used_mb": 22016,
          "total_mb": 32768,
          "swap_used_mb": 0
        },
        "disk": {
          "used_gb": 140.2,
          "total_gb": 500,
          "iops": 2310
        }
      },
      "containers": [
        {
          "name": "queue-consumer",
          "restarts": 1,
          "healthy": true
        },
        {
          "name": "cron-runner",
          "restarts": 0,
          "healthy": true
        }
      ]
    }
  ],
  "alerts": [
    {
      "severity": "critical",
      "server": "web-02",
      "message": "CPU throttling for 12m"
    },
    {
      "severity": "warning",
      "server": "web-02",
      "message": "memory above 85%"
    },
    {
      "severity": "warning",
      "server": "web-02",
      "message": "api container restart loop"
    },
    {
      "severity": "info",
      "server": "worker-01",
      "message": "queue depth rising"
    }
  ]
}

JSON Path Finder— e.g. servers[0].metrics.cpu

Formatted output

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Parsed with your browser’s native JSON.parse — nothing you paste here is uploaded, logged, or sent anywhere.

Nested API Payload Path Finder

Formatted output

More JSON tools

Malformed JSON Syntax Fixer

JSON Config File Minifier

Is it safe to paste sensitive data into the Nested API Payload Path Finder?