Runs locally

JSON Formatter & Validator

Format, validate, compare, inspect and model JSON locally.

Private by designNo sign-up

JSON input

{"id":42,"name":"KaseShift","email":"dave@example.com","active":true,"roles":["editor","admin"]}

✓ Valid JSON · 96 bytes

Format output

{
  "id": 42,
  "name": "KaseShift",
  "email": "dave@example.com",
  "active": true,
  "roles": [
    "editor",
    "admin"
  ]
}

Processing stays in this browser. For very large payloads, device memory and browser limits apply; KaseShift will not upload the file as a fallback.

Designed for work you can trust

KaseShift processes this tool's input on your device. Nothing you paste is placed in URLs, analytics events or application logs. Clear the workspace at any time by reloading or using the reset control.

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