JSON Tools

Prettify JSON

Transform minified or compact JSON into readable, well-formatted output. Configure indentation style (spaces or tabs), sort keys alphabetically, strip comments, and more. Perfect for debugging APIs, formatting config files, or making JSON human-readable.

Updated 2025-12-03

JSON Prettifier

Format JSON with custom indentation

Transform minified JSON into readable, well-formatted output with configurable options.

Upload JSON file

Drop or browse a .json file

Formatting Options

Indent Type

Indent Size

Sort keys alphabetically

Strip comments

Trailing commas (JSON5)

Input JSON

Prettified Output

How to use

Paste your minified or compact JSON in the input area
Configure indentation style, size, and additional options
Click "Prettify JSON" to format your data
Copy or download the formatted result

Note: Standard JSON uses double quotes. Trailing commas and single quotes are JSON5 extensions and may not be valid in all parsers.

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