Developer Tools

JSON Formatter

Use this free JSON formatter to beautify messy JSON, minify payloads for transport, and validate syntax before you ship or debug your data.

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JSON input

Result

Import `.json` file

No file selected

Read locally in your browser only

This tool does not upload files to a server.

Paste JSON to begin.

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How to use

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Input

{"name":"Tiny","items":[1,2,3],"active":true}

Output

{
  "name": "Tiny",
  "items": [1, 2, 3],
  "active": true
}

No. Formatting and validation happen in your browser.

Yes. The tool shows a readable parse error when JSON is invalid.

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