Live tool

JSON Formatter

Format messy JSON into readable, indented JSON with validation feedback. Use this browser-based tool for everyday work. It is designed for speed, privacy, and clear results.

JSON Formatter

InputOutput

{
  "hello": "world",
  "items": [
    1,
    2,
    3
  ]
}

How to use

Paste or enter your input.
Adjust options when available.
Review, copy, or download the result.

FAQ

Is this tool free?

Use this browser-based tool for everyday work. It is designed for speed, privacy, and clear results.

Does my input leave the browser?

Use this browser-based tool for everyday work. It is designed for speed, privacy, and clear results.

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