JSON & Data

JSON Formatter

Format JSON with readable two-space indentation in your browser.

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JSON output

Enter JSON, then choose “Format JSON”. Your result will appear here.

Processed in your browser. Inputs stay in this page’s memory and are not uploaded or saved.

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A useful starting point

Example input

{"name":"Ada","active":true}

If the input is rejected

Use double quotes around keys and strings. Remove trailing commas.

Formatting changes whitespace; it does not repair invalid JSON.

What does this tool do?

Format JSON with readable two-space indentation in your browser. Accepted input: JSON input. Output: JSON output (JSON).

How to use it

Enter json input, then choose “Format JSON”. Review json output and use Copy or Download .json if needed. Clear removes this page’s inputs and result.