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Pretty Print JSON

Indent and format JSON so it's easy to read, instantly in your browser.

How to use the Pretty Print JSON

  1. Paste your minified or messy JSON.
  2. Choose an indentation: 2 spaces, 4 spaces or a tab.
  3. Click Run to see the formatted, readable JSON.

How the Pretty Print JSON works

The tool parses your input with the browser's native JSON parser and then serializes it again with the indentation you choose, putting each key and array item on its own line. Because the data is fully parsed, invalid JSON such as trailing commas, single quotes or unquoted keys is reported as an error rather than reformatted incorrectly.

Key order and values are preserved exactly; only whitespace changes. To go the other way and shrink JSON, use the JSON Minifier.

Frequently asked questions

Is this tool free?
Yes. Pretty print JSON at no cost, with no account required.
What happens if my JSON is invalid?
You'll see an error message describing what's wrong so you can fix it. Use the JSON Validator for a dedicated validity check.
JSON Formatter Free JSON formatter and beautifier: format JSON with 2 spaces, 4 spaces or tabs, or minify it to one line. Invalid JSON is flagged with a clear error. Minify JSON Free JSON minifier: remove all whitespace and line breaks from JSON to make it as small as possible for APIs, config files and storage. Validates as it goes. JSON Validator Free JSON validator: check whether JSON is valid and get a clear error message pointing to the problem, such as a missing comma or trailing comma. XML Formatter Free XML formatter: pretty-print XML with consistent indentation so nested elements are easy to read. Malformed XML is reported with a clear error. YAML Formatter Free YAML formatter: clean up and re-indent YAML files such as Docker Compose, Kubernetes and CI configs with consistent spacing. Runs in your browser.

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