JSON Formatter API

Validate and pretty-print or minify JSON.

POST /api/v1/tools/json-formatterMCP json_formatterDeveloper Tools

Format, beautify, minify and validate JSON in your browser. Pinpoints syntax errors by line and column, and can sort keys. Your data never leaves your device.

Input

Send these as a JSON object. Unknown fields are rejected.

input: The JSON text. (string, required)
mode: format or minify. (string, one of format, minify, default "format")
indent: Spaces per level when formatting: 2 or 4. (integer, 2 to 4, default 2)
sortKeys: Sort object keys alphabetically. (boolean, default false)

Try it in the browser JSON Schema Get an API key

curl https://pithlab.com/api/v1/tools/json-formatter \n  -H "Authorization: Bearer $PITHLAB_KEY" \n  -H "Content-Type: application/json" \n  -d '{"input":"{\"b\":1,\"a\":[true,null]}","sortKeys":true}'

Example response

{
  "ok": true,
  "result": {
    "output": "{\n  \"a\": [\n    true,\n    null\n  ],\n  \"b\": 1\n}"
  }
}