JSON beautifier

Format and Beautify JSON

Turn compact or inconsistent JSON into a readable document with predictable indentation, making nested objects and arrays easier to inspect.

No upload Free to use Works on mobile

Data tool

JSON Formatter

Options

Formatted JSON

0 results

How to use JSON Formatter

1

Paste JSON

Use compact, copied, or inconsistently indented JSON.

2

Choose indentation

Select two spaces, four spaces, or tabs for the output.

3

Copy clean JSON

The document is parsed first, so invalid input is reported instead of silently changed.

Common uses

Code review

Make API payloads readable before discussing changes.

Documentation

Prepare examples for tickets, docs, and support replies.

Debugging

Inspect deeply nested objects and arrays.

JSON Formatter FAQ

Is JSON Formatter free to use? +

Yes. JSON Formatter is free to use without an account or usage meter.

Is my data uploaded or stored? +

No. The processing for this tool runs locally in your browser. Entered content is not sent to our server.

Will formatting change JSON values? +

No. Formatting changes whitespace only. Property values, array order, and data types are preserved.

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