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JSON Formatter

Pretty-print or minify JSON in your browser with clear parse errors.

Paste JSON, format it, and copy or download the result.

What is a JSON formatter?

A JSON formatter parses text as JSON and reprints it with consistent indentation.

How to format JSON

  1. 1

    Paste JSON

    Paste or type JSON into the input. Nothing is uploaded.

  2. 2

    Format or minify

    Format pretty-prints with indentation; minify removes whitespace. Syntax errors show line and column when available.

  3. 3

    Copy or download

    Copy the result or download a .json file.

JSON Formatter FAQ

Who is this for?

Developers and anyone who needs readable or compact JSON without installing an IDE plugin.

What input is supported?

Any valid JSON text (objects, arrays, primitives). Invalid JSON shows a parse error.

Is data uploaded?

No. Parsing runs in your browser.

Related tools?

JSON Validator, JSON Minifier, JSON Viewer, JSON to CSV.

Related tools